CS401-
Computer Architecture and Assembly Language Programming
FINALTERM EXAMINATION
Spring 2010
Question No: 1 ( Marks:
1 ) - Please choose one
Suppose AL contains 5 decimal then after two left shifts produces the
value as
► 5
► 10
► 15
►
20 (Page 52)
Question No: 2 ( Marks:
1 ) - Please choose one
In graphics mode a location in video memory
corresponds to a on the screen.
► line
►
dot
(Page 149)
► circle
►
rectangle
Question No: 3 ( Marks:
1 ) - Please choose one
Creation of threads can be
►
static
►
dynamic (Page 141)
► easy
►
difficult
Question No: 4 ( Marks:
1 ) - Please choose one
The thread registration
code initializes the PCB and adds it to the linked list so that the will give it a turn.
►
assembler
► scheduler (Page 141)
► linker
►
debugger
1
Question No: 5 ( Marks:
1 ) - Please choose one
VESA VBE 2.0 is a standard for
► High resolution Mode (Page 180)
► Low
resolution Mode
►
Medium resolution Mode
►
Very High resolution Mode
Question No: 6 ( Marks:
1 ) - Please choose one
Which of the following gives the more logical view of the storage
medium
►
BIOS
► DOS (Page 155)
► Both
► None
Question No: 7 ( Marks:
1 ) - Please choose one
Which of the following IRQs is derived by a key board?
► IRQ 0
► IRQ 1 (Page 114)
► IRQ 2
►
IRQ 3
Question No: 8 ( Marks:
1 ) - Please choose one
Which of the following IRQs is used for Floppy disk derive?
►
IRQ 4
►
IRQ 5
► IRQ 6 (Page 114)
► IRQ 7
Question No: 9 ( Marks:
1 ) - Please choose one
Which of the following pins of a parallel port connector are grounded?
►
10-18
► 18-25 (Page 125)
► 25-32
► 32-39
Question No: 10 ( Marks:
1 ) - Please choose one
The physical address of IDT( Interrupt Descriptor
Table) is stored in
► GDTR
► IDTR (Page 182)
► IVT
►
IDTT
2
Question No: 11 ( Marks:
1 ) - Please choose one
In NASM an imported symbol is declared with the............................. while and
exported symbol is declared
with
the............................
►
Global directive, External directive
► External directive, Global directive
(Page 189)
►
Home Directive, Foreign Directive
►
Foreign Directive, Home Directive
Question No: 12 ( Marks:
1 ) - Please choose one
In 68K processors there is a......................... program
counter (PC) that holds the address of currently executing
instruction
►
8bit
►
16bit
► 32bit (Page 191)
►
64bit
Question No: 13 ( Marks:
1 ) - Please choose one
To reserve 8-bits
in memory directive
is used.
► db (Page 25)
►
dw
►
dn
►
dd
Question No: 14 ( Marks: 1 ) -
Please choose one
In the “mov ax, 5” 5 is the operand.
► source (Page 18)
► destination
► memory
► register
Question No: 15 ( Marks:
1 ) - Please choose one
RETF will pop the segment address in the
► CS register (Page 72)
► DS register
► SS register
► ES register
Question No: 16 ( Marks:
1 ) - Please choose one
For the execution of the instruction “DIV BL”, the implied dividend
will be stored in
► AX (Page 85)
► BX
► CX
► DX
3
Question No: 17 ( Marks:
1 ) - Please choose one
When a number is divided by
zero ”A Division by 0” interrupt is generated. Which instruction is used for
this purpose
► INT 0
► INT 1
► INT 2
►
This
interrupt is generated automatically (Page 107)
Question No: 18 ( Marks:
1 ) - Please choose one
INT 21 service
01H is used to read character from standard input with echo. It returns the result in register.
► AL (Page 152)
►
BL
►
CL
►
BH
Question No: 19 ( Marks:
1 ) - Please choose one
BIOS sees the disks as
►
logical storage
► raw
storage (Page 155)
►
in the form of sectors only
►
in the form of tracks only
Question No: 20 ( Marks:
1 ) - Please choose one
In 9pin DB 9, which pin number is assigned to CD (Carrier Detect)?
► 1 (Page 171)
►
2
►
3
►
4
Question No: 21 ( Marks: 1 ) -
Please choose one
In 9pin DB 9, Signal ground is assigned on pin number
►
4
► 5 (Page 171)
►
6
►
3
Question No: 22 ( Marks:
1 ) - Please choose one
In 9pin DB 9, RI (Ring Indicator) is assigned on pin number
►
6
►
7
►
8
►
9
(Page 171)
4
Question No: 23 ( Marks:
1 ) - Please choose one
Motorola 68K
processors have........................ 23bit general
purpose registers.
►
4
►
8
► 16 (Page 191)
►
32
Question No: 24 ( Marks:
1 ) - Please choose one
When two devices in the system want to use the same IRQ line then what
will happen?
► An IRQ Collision
► An IRQ Conflict (Page 114)
► An IRQ
Crash
►
An IRQ Blockage
Question No: 25 ( Marks:
1 ) - Please choose one
In the instruction MOV AX, 5 the
number of operands are
►
1
► 2 (Page 25)
►
3
►
4
Question No: 26 ( Marks:
1 ) - Please choose one
Which flags are NOT used for mathematical operations ?
►
Carry, Interrupt and Trap flag.
► Direction, Interrupt and Trap flag. (Page 133)
► Direction,
Overflow and Trap flag.
► Direction,
Interrupt and Sign flag.
CS401- Computer Architecture and Assembly Language
Programming FINALTERM EXAMINATION
Spring 2010
Question No: 1 ( Marks: 1 ) -
Please choose one
The physical address of the stack is obtained by
► SS:SI combination
►
SS:SP
combination (Page 68)
►
ES:BP combination
► ES:SP combination
5
Question No: 2 ( Marks: 1 ) -
Please choose one
Value of AH in the write Graphics pixel service is
► 0Ch (Page 152)
► 0Bh
► 1Ch
► 2Ch
Question No: 3 ( Marks: 1 ) - Please choose one
Threads can have function calls, parameters and variables.
► global
► local (Page 141)
► legal
► illegal
Question No: 4 ( Marks: 1 ) -
Please choose one
Creation of threads can be
► static
►
dynamic (Page 141)
rep
► easy
► difficult
Question No: 5 ( Marks: 1 ) -
Please choose one
How many prevalent calling conventions do exist
► 1
► 2 (Page 187)
►
3
►
4
Question No: 6 ( Marks: 1 ) -
Please choose one
VESA VBE 2.0 is a standard for
►
High resolution Mode (Page 180) rep
► Low
resolution Mode
►
Medium resolution Mode
►
Very High resolution Mode
Question No: 7 ( Marks: 1 ) -
Please choose one
The serial port connection is a--------------------- connector
► 9pin DB 9 (Page 171)
► 8pin DB 9
► 3pin DB 9
► 9pin DB 5
6
Question No: 8 ( Marks: 1 ) -
Please choose one
Which of the following gives the more logical view of the storage
medium
► BIOS
►
DOS (Page 55)
rep
► Both
► None
Question No: 9 ( Marks: 1 ) -
Please choose one
In STOSB instruction, when DF is clear, SI is
►
Incremented
by 1 (Page 92)
►
Incremented by 2
►
Decremented by 1
►
Decremented by 2
Question No: 10 ( Marks: 1 ) -
Please choose one
After the execution of STOSW the CX will be
►
Decremented by 1 (Page
92)
► Decremented
by 2
► Incremented
by 1
► Incremented
by 2
Question No: 11 ( Marks: 1 ) -
Please choose one
IRQ is referred to
► Eight input signals
►
One output
signal
► One
input signals
► Eight
output signals
Question No: 12 ( Marks: 1 ) -
Please choose one
Which of the following IRQs is derived by a key board?
► IRQ 0
►
IRQ 1 (Page
113) rep
► IRQ 2
►
IRQ 3
Question No: 13 ( Marks: 1 ) -
Please choose one
Which of the following IRQs is connected to serial port COM 1?
►
IRQ
4 (page 114)
►
IRQ 5
►
IRQ 6
►
IRQ 7
7
Question No: 14 ( Marks: 1 ) -
Please choose one
The physical address of IDT( Interrupt Descriptor
Table) is stored in
►
GDTR
►
IDTR (Page 182) rep
► IVT
►
IDTT
Question No: 15 ( Marks: 1 ) -
Please choose one
Assembly language is:
►
Low-level
programming language (Page 3)
► High-level
programming language
► Also
known as machine language
► Not
considered closer to the computer
Question No: 16 ( Marks: 1 ) -
Please choose one
The number of bits required to access 1MB of memory are
► 16 bits
► 32 bits
► Depends on the processor architecture
(Page 20)
►
20 bits
Question No: 17 ( Marks: 1 ) -
Please choose one
In STOSB instruction, SI is decremented or incremented by
►
3
►
2
► 1 (Page 92)
►
4
Question No: 18 ( Marks: 1 ) -
Please choose one
In programmable interrupt controller, which of the following ports is
referred as a control port.
►
19
► 20 (Page 115)
►
21
►
22
Question No: 19 ( Marks: 1
) - Please choose one
INT 21 service 01H is used to read character from standard input with
echo. It returns the result in register.
► AL (Page 152) rep
►
BL
►
CL
►
BH
8
Question No: 20 ( Marks: 1 ) -
Please choose one
In device
attribute word, which of the following bit decides whether it is a character device or a block device
►
Bit 12
►
Bit 13
►
Bit 14
►
Bit
15 (Page 116)
Question No: 21 ( Marks: 1 ) -
Please choose one
In 9pin DB 9, which pin number is assigned to CTS (Clear To Send) ?
►
6
►
7
► 8 (Page 171)
►
9
Question No: 22 ( Marks: 1 ) -
Please choose one
In 9pin DB 9, which pin number is assigned to RD (Received Data) ?
►
1
► 2 (Page 171)
►
3
►
4
Question No: 23 ( Marks: 1 ) -
Please choose one
VESA(Video Electronics Standards Association) organizes 16 color bits
for every pixel in
► 5:5:5 format
► 5:6:5
format (Page 180)
► 6:5:6 format
► 5:6:7 format
Question No: 24 ( Marks: 1 ) -
Please choose one
Motorola 68K
processors have......................... 23bit general
purpose registers.
► 4
► 8
►
16
(Page 191) rep
►
32
Question No: 25 ( Marks: 1 ) -
Please choose one
Programmable Interrupt Controller (PIC) has
► One
input signals and eight output signals
► One
input signal and one output signal
► Eight input signals and one output
signals (Page 113)
►
Eight input signals and eight output signals
9
Question No: 26 ( Marks: 1 ) -
Please choose one
Video services are classified into....................... broad
categories.
►
5
►
4
►
3
►
2
(Page 149)
CS401-
Computer Architecture and Assembly Language Programming
FINALTERM EXAMINATION
Spring 2010
1.
BL contains 5 decimal then after right shift
, BL will become
·
3
·
2.5
(Page 52)
·
5
·
10
2.
8 * 16 font is stored in bytes.
·
3
·
4
·
8
·
16
(Page 150)
3. In DOS input buffer , number of characters actually read on return is
stored in
·
First byte
·
Second
byte (Page 152)
·
Third byte
·
Fourth byte
4.
IRQ 0 has
priority
·
Low
·
High
·
Highest
(Page 114)
·
Medium
10
5.
Thread registration code initialize PCB and
add to linked list so that will give it turn.
·
Assembler
·
Linker
·
Scheduler (Page 141)
rep
·
Debugger
6.
Traditional calling conventions are in
number
·
1
·
2
(Page 187)
·
3
·
4
7.
VESA VEB 2.0 is standard for
·
High
Resolution Mode (Page 180) rep
·
Low Resolution Mode
·
Very High Resolution Mode
·
Medium Resolution Mode
8.
To clear direction flag which instruction is used
·
Cld
(Page 92)
·
Clrd
·
Cl df
·
Clr df
9.
In STOSW instruction , When DI
is cleared , SI is
·
Incremented by 1
·
Incremented by 2 (Page 92)
·
Decremented by 1
·
Decremented by 2
10.
Interrupt that is used in debugging with help
of trap flag is
·
INT 0
·
INT
1 (Page 105)
·
INT 2
·
INT 3
11
11. INT for arithmetic overflow is
·
INT 1
·
INT 2
·
INT 3
·
INT
4 (Page 106)
12. IRQ
referred as
·
Eight
Input signals (Page 113 ) rep
·
One Input
signal
·
Eight Output
signals
·
One output
signal
13.
IRQ for keyboard is 1 (Page 114)
14. IRQ for
sound card is 5 (Page
114)
15.
IRQ for floppy disk is 6 (Page 114)
16. IRQ
with highest priority is
·
Keyboard IRQ
·
Timer
IRQ (Page 114)
·
Sound Card
·
Floppy Disk
17.
Pin for parallel port ground is
·
10-18
·
18-25
(Page 125 ) rep
·
25-32
·
32-39
18.
The physical address of Interrupt Descriptor
Table (IDT) is stored in
·
GDTR
·
IDTR
(Page 182) rep
·
IVT
·
IDTT
20.
CX register
is
·
Count
register (Page 15)
·
Data register
·
Index register
·
Base register
12
21.
OUT instruction uses
AX or
AL
as source register. (Page 115)
22. IN DB-9
connector the Data Set ready pin is at
·
5
·
6 (Page 171)
·
7
·
8
23.
If two devices uses same IRQ then there is
·
IRQ collision
·
IRQ
conflict (Page 114) rep
·
IRQ drop
24.
VESA organizes 16 bit color for every pixel
in ratio
·
5:5:5
·
5:6:5
(Page 180) rep
·
6:5:6
·
5:6:7
CS401- Computer Architecture and Assembly
Language Programming
FINALTERM EXAMINATION
Spring 2010
Question No: 1 ( Marks:
1 ) - Please choose one
SP is associated with…............. By default
► SS (Page 34)
► DS
► CS
► ES
Question No: 2 ( Marks:
1 ) - Please choose one
Which bit of the attributes byte represents the red component of
foreground color
► 5
► 4
► 3
►
2
(Page 81)
13
Question No: 3 ( Marks: 1 ) -
Please choose one
An 8 x 16 font is
stored in bytes.
►
2
►
4
►
8
► 16 (Page 150) rep
Question No: 4 ( Marks:
1 ) - Please choose one
In DOS input buffer, the number of characters
actually read on return is stored in byte.
►
third
►
fourth
►
first
► second (Page
152) rep
Question No: 5 ( Marks:
1 ) - Please choose one
Which of the following gives the more logical view of the storage
medium
► BIOS
► DOS
► Both
► None
Question No: 6 ( Marks:
1 ) - Please choose one
In STOSW instruction, when DF is clear, SI is
► Incremented
by 1
► Incremented by 2 (Page 92)
► Decremented
by 1
► Decremented
by 2
Question No: 7 ( Marks:
1 ) - Please choose one
Which of the following interrupts is Non maskable interrupt
► INT 2 (Page 105)
► INT 3
►
INT 0
►
INT 1
Question No: 8 ( Marks: 1 ) -
Please choose one
Which of the following IRQs is connected to serial port COM 2?
►
IRQ 0
►
IRQ 1
►
IRQ 2
►
IRQ 3 (Page 114)
14
Question No: 9 ( Marks:
1 ) - Please choose one
The time interval between two timer ticks is?
►
40ms
►
45ms
►
50ms
►
55ms
(Page 122)
Question No: 10 ( Marks:
1 ) - Please choose one
The physical address of IDT( Interrupt Descriptor
Table) is stored in
► GDTR
►
IDTR (Page 182)
rep
► IVT
►
IDTT
Question No: 11 ( Marks:
1 ) - Please choose one
In NASM an imported symbol is declared with the............................. while and
exported symbol is declared
with
the............................
►
Global directive, External directive
►
External
directive, Global directive (Page
189) rep
► Home
Directive, Foreign Directive
► Foreign
Directive, Home Directive
Question No: 12 ( Marks:
1 ) - Please choose one
In 68K processors there is a 32bit....................... that holds the
address of currently executing instruction
► Program counter (Page 191)
► Stack pointer
► Register
► Stack
Question No: 13 ( Marks:
1 ) - Please choose one
Single step interrupt is
► Hardware interrupt
► Like divide by zero interrupt (Page 133)
► Like
divide by 1 interrupt
►
Software interrupt
Question No: 14 ( Marks:
1 ) - Please choose one
Which of the following is NOT true about registers:
►
Their operation is very much like memory
►
Intermediate results may also be stored in registers
►
They are also called scratch pad ram
►
None
of given options
15
Question No: 15 (
Marks: 1 ) - Please choose one
Types of jump are:
► short, near
► short, near, far (Page 45)
► near, far
► short, far
Question No: 16 ( Marks:
1 ) - Please choose one
MS DOS
uses display mode.
► Character based (Page 79)
► Graphics based
► Numeric based
► Console based
Question No: 17 ( Marks:
1 ) - Please choose one
Which of the following IRQs is derived by a timer device?
► IRQ 0 (Page 114)
► IRQ 1
►
IRQ 2
►
IRQ 3
Question No: 18 ( Marks:
1 ) - Please choose one
In programmable interrupt controller, which of the following ports is
referred as a control port?
►
19
►
20
(Page 115) rep
►
21
►
22
Question No: 19 ( Marks:
1 ) - Please choose one
INT 21 service
01H is used to read character from standard input with echo. It returns the result
in
register.
► AL (Page
152) rep
►
BL
►
CL
►
BH
Question No: 20 ( Marks:
1 ) - Please choose one
In 9pin DB 9, which pin number is assigned to DSR (DataSet Ready) ?
►
4
►
5
► 6 (Page 171)
►
7
16
Question No: 21 ( Marks:
1 ) - Please choose one
In 9pin DB 9, which pin number is assigned to TD (Transmitted Data) ?
►
1
►
2
► 3 (Page 171)
►
4
Question No: 22 ( Marks:
1 ) - Please choose one
In 9pin DB 9, Signal ground is assigned on pin number
►
4
► 5 (Page 171)
►
6
►
3
Question No: 23 ( Marks:
1 ) - Please choose one
8088 is a ...........................
► 16 bit processor (Page 14)
► 32 bit processor
► 64 bit processor
► 128 bit processor
Question No: 24 ( Marks:
1 ) - Please choose one
The table index (TI) is set to to access the GDT (Global
Descriptor Table).
► 1
► 0 (Page 175)
►
-1
► -2
Question No: 25 ( Marks:
1 ) - Please choose one
VESA(Video Electronics Standards Association) organizes 16 color bits
for every pixel in
► 5:5:5 format
►
5:6:5
format (Page 180) rep
► 6:5:6 format
► 5:6:7 format
Question No: 26 ( Marks:
1 ) - Please choose one
Which flags are NOT used for mathematical operations?
► Carry,
Interrupt and Trap flag.
►
Direction,
Interrupt and Trap flag. (Page 133) rep
► Direction,
Overflow and Trap flag.
► Direction,
Interrupt and Sign flag.
17
CS401-
Computer Architecture and Assembly Language Programming
FINALTERM EXAMINATION
Spring 2009
Question No: 1 ( Marks: 1 ) - Please choose one
When a 32 bit number is divided by a 16 bit number, the quotient is of
$ 32 bits
$ 16
bits (Page 85)
$
8 bits
$
4 bits
Question No: 2 ( Marks: 1 ) - Please choose one
In the instruction MOV AX, 5 the number of operands are
$ 1
$ 2 (Page 25) rep
$
3
$ 4
Question
No: 3 ( Marks: 1 ) - Please choose one
3. In DOS input buffer , number
of characters actually read
on return is stored in
$ First byte
$ Second byte (Page 152) rep
$ Third byte
$ Fourth byte
Question
No: 4 ( Marks: 1 ) - Please choose one
7. VESA VEB 2.0 is standard for
$
High Resolution Mode (Page 180) rep
$ Low Resolution Mode
$ Very High Resolution Mode
$ Medium Resolution Mode
Question
No: 5 ( Marks: 1 ) - Please choose one
22. IN DB-9 connector
the Data Set ready pin is at
$ 5
$ 6 (Page 171) rep
$ 7
$ 8
18
Question No: 6 ( Marks: 1
) - Please choose one
Threads can have
function calls, parameters and variables.
$ global
$ local (Page 141)
$ legal
$ illegal
Question
No: 7 ( Marks: 1 ) - Please choose one
How many prevalent calling conventions do exist
$ 1
$ 2 (Page 187) rep
$
3
$
4
Question
No: 8 ( Marks: 1 ) - Please choose one
In 9pin DB 9 DSR is assigned on pin number
$ 4
$ 5
$ 6 (Page
171)
$ 7
Question
No: 9 ( Marks: 1 ) - Please choose one
In 9pin DB 9 CTS is assigned on pin number
$ 6
$ 7
$ 8 (Page 171)
$ 9
Question
No: 10 ( Marks: 1 ) - Please choose one
In 9pin DB 9 CD is assigned on pin number
$ 1 (Page 171)
$ 2
$ 3
$
4
Question No: 11 ( Marks: 1 ) - Please choose one
A 32bit address register can access upto ...access has .of memory so
memory increased a lot.
$2GB
$4GB (Page 175)
$6GB
$8GB
19
Question No: 12 ( Marks: 1 ) -
Please choose one
in device attribute word which of the following bit decides whether it
is a charater device or a block device
$ Bit 12
$ Bit 13
$ Bit 14
$ Bit
15 (Page 166) rep
Question No:
13 ( Marks: 1 ) - Please choose one
9. Which of the following IRQ
is cascading interrupt
$
IRQ 0
$
IRQ 1
$ IRQ
2 (Page 114)
$ IRQ 3
Question
No: 14 ( Marks: 1 ) - Please choose one
Which of the following interrupts is used for Arithmetic overflow
$ INT 1
$ INT 2
$ INT 3
$ INT
4 (Page 106) rep
Question No: 15 ( Marks: 1 ) - Please choose one
An End of Interrupt (EOI) signal is sent by
$
Handler (Page 114)
$ Processor
$ IRQ
$ PIC
Question
No: 16 ( Marks: 1 ) - Please choose one
The number of pins in a parallel
port connector are?
$ 20
$ 25 (Page 125)
$ 30
$ 35
Question
No: 17 ( Marks: 1 ) - Please choose one
Which of the following pins of a parallel port connector are grounded?
$ 10-18
$ 18-25 (Page 125) rep
$ 25-32
$ 32-39
20
Question No: 18 ( Marks: 1
) - Please choose one
In NASM an imported symbol is declared with the............................. while and
exported symbol is declared
with
the............................
$ Global directive, External
directive
$ External directive, Global directive (Page 189) rep
$ Home Directive, Foreign Directive
$
Foreign Directive, Home Directive
FINALTERM EXAMINATION
Fall
2008
CS401-
Computer Architecture and Assembly Language Programming (Session - 1)
Question No: 1 ( Marks: 1 ) -
Please choose one Which of the
following is not true about registers: Their
operation is very much like memory
Intermediate results may also be
stored in registers. They are also called scratch pad ram
None
of given options.
Question No: 2 ( Marks: 1 )
- Please choose one
move [bp], al
moves the one byte content of the AL register to the address contained in BP register in the current
Stack
segment (Page 35)
Code segment
Data segment Extra segment
Question No: 3 ( Marks: 1 ) - Please choose one
In a rotate
through carry right (RCR) instruction applied on a 16 bit word effectively
there is 16 bits rotation
1 bit rotation
17 bits rotation (Page 53)
8 bits rotation
Question No: 4 ( Marks: 1 ) - Please choose one
The 8088 stack works on
Word sized elements
(Page 68)
Byte sized elements
21
Double sized element Nible sized
element
Question No: 5 ( Marks: 1 ) - Please choose one
An 8 x 16 font is
stored in bytes.
2
4
8
16 (Page 150) rep
Question No: 6 ( Marks: 1 ) - Please choose one
INT 10 is used for services.
RAM
Disk
BIOS video (Page 149)
DOS video
Question No: 7 ( Marks: 1 ) -
Please choose one Priority of IRQ 0 interrupt is
medium high
highest
(Page 114) rep low
Question No: 8 ( Marks: 1 ) - Please choose one
Threads can have function calls, parameters and _ variables. global
local (Page 141) rep
legal illegal
Question No: 9 ( Marks: 1 ) - Please choose one
How many prevalent
calling conventions do exist 1
2 (Page 187) rep
3
4
Question No: 10 ( Marks: 1 ) - Please choose one
In 9pin DB 9
DSR is assigned on pin number 4
5
6 (Page 171) rep
7
22
Question No: 11 ( Marks: 1
) - Please choose one
In 9pin DB 9
CTS is assigned on pin number 6
7
8 (Page 171)
rep
9
Question No: 12 ( Marks: 1 ) - Please choose one
In 9pin DB 9 CD is assigned on pin number
1 (Page 171) rep
2
3
4
Question No: 13 ( Marks: 1 ) - Please choose one
In 9pin DB 9
RD is assigned on pin number 1
2 (Page 171)
3
4
Question No: 14 ( Marks: 1 ) - Please choose one
in device
attribute word which of the following bit decides whether it is a character
device or a block device Bit 12
Bit 13
Bit 14
Bit
15 (Page 166)
Question No: 15 ( Marks: 1 ) - Please choose one
Video services are
classified into broad categories
2 (Page 149)
3
4
5
Question No: 16 ( Marks: 1 ) - Please choose one
In STOSB instruction, when DF is clear, SI is
Incremented by 1 (Page
92) rep
Incremented by 2
Decremented by 1
Decremented by 2
23
Question No: 17 ( Marks: 1
) - Please choose one
The process
of sending signals back and forth is called Activity
Hand-shaking Interruption Time clicking
Question No: 18 ( Marks: 1 ) - Please choose one
Which of the following interrupts is used for Arithmetic Overflow?
INT 1
INT 2
INT 3
INT 4 (Page 106)
rep
Question No: 19 ( Marks: 1 ) - Please choose one
Which of the following is a
special type of interrupt that returns to the same instruction instead of the
next instruction?
Divide overflow interrupt
(Page 107)
Debug interrupt
Arithmetic overflow interrupt
Change of sign interrupt
Question No: 20 ( Marks: 1 ) - Please choose one
Which of the following IRQs is derived by a timer device?
IRQ 0 (Page
114) rep
IRQ 1
IRQ 2
IRQ 3
Question No: 21 ( Marks: 1 ) - Please choose one
Which of the following IRQs is connected to serial port COM 2?
IRQ 0
IRQ 1
IRQ 2
IRQ 3 (Page 114) rep
Question No: 22 ( Marks: 1 ) - Please choose one
An End of Interrupt (EOI)
signal is sent by Handler (Page
114) rep Processor
IRQ PIC
24
Question No: 23 ( Marks: 1 ) -
Please choose one
The source registers in OUT is
AL or AX (Page 115) rep
BL or BX CL or
CX DL or DX
Question No: 24 ( Marks: 1 ) - Please choose one
In programmable interrupt
controller which of the following ports is used for selectively enabling or
disabling interrupts
19
20
21 (Page 115)
22
Question No: 25 ( Marks: 1 ) - Please choose one
The number of pins in a parallel port connector are?
20
25 (Page 125)
rep
30
35
Question No: 26 ( Marks: 1 ) - Please choose one
Which of the following pins of a parallel port connector are grounded?
10-18
18-25 (Page 125)
rep
25-32
32-39
Question No: 27 ( Marks: 1 ) - Please choose one
If the
decimal number “35” is shifted by two bit to left, the new value will be 35
70
140 (00100011 = 35 , 10001100=140)
17
Question No: 28 ( Marks: 1 ) - Please choose one
A 32bit address register can access
upto.......................... of
memory so memory access has increased a lot.
2GB
4GB (Page 175)
rep
6GB
8GB
25
Question No: 29 ( Marks: 1
) - Please choose one
In NASM an imported symbol is declared with the............................. while and
exported symbol is declared
with
the............................
Global directive, External
directive
External
directive, Global directive (Page
189) rep
Home Directive, Foreign Directive
Foreign Directive, Home Directive
Question No: 30 ( Marks: 1 ) - Please choose one
Single step interrupt is
Hardware interrupt
Like
divide by zero interrupt (Page
133) rep
Like divide by 1 interrupt
Software interrupt
CS401- Computer Architecture and Assembly
Language Programming FINALTERM EXAMINATION
Spring 2007
Question No: 1 ( Marks: 1 ) - Please choose one
Sun SPARC Processor has a fixed instruction
size.
? 16bit
? 32bit (Page 192)
rep
? 64bit
? 20bit
Question No: 2 ( Marks: 1 ) - Please choose one
When the
subprogram finishes, the retrieves the
return address from the stack and transfers control to that location.
? RET instruction Click here for detail
? CALL instruction
? POP instruction
? Jump instruction
Question No: 3 ( Marks: 1 ) - Please choose one
A 32 bit address register can access upto of memory.
? 1 GB
? 6 GB
? 4 GB (Page
175) rep
? 2 GB
26
Question No: 4 ( Marks: 1
) - Please choose one
The value of a segment register when the processor
is running under protected mode is called
? segment descriptor
? segment selector
? global descriptor table
? protected register
Question No: 5 ( Marks: 1 ) - Please choose one
FS and FS and GS
are two in
protected mode.
? segment registers
? segment
selectors (Page 175)
? stack ointers
? register pointers
Question No: 6 ( Marks: 1 ) - Please choose one
IRQ 0 interrupt have priority
? low
? medium
? highest (Page
114) rep
? lowest
Question No: 7 ( Marks: 1 ) - Please choose one
IDT stands for .
? interrupt descriptor
table (Page 182)
? individual descriptor table
? inline data table
? interrupt descriptor table
Question No: 8 ( Marks: 1 ) - Please choose one
Every bit of line status in serial port conveys
information.
? different (Page 171)
? same
? partial
? full
Question No: 9 ( Marks: 1 ) - Please choose one
There are total bytes
in a standard floppy disk.
? 1444k
? 1440k (Page 155)
? 1280k
? 2480k
27
Question No: 10 ( Marks: 1
) - Please choose one
An 8x16 font is stored
in bytes.
? 8
? 16 (Page 150)
rep
? 4
? 20
Cs401 – Quiz No.3 (June 2012)
Question No: 1( Marks: 1 )
Memory address space is selected
when which of the following instructions is given to the processor?s Select
correct option:
MOV (page 115)
DEC IN ADD
Question No: 2( Marks: 1 )
PCB stands for? Select correct
option:
Process Control Block (Page 140) Process
Clearing Block Programmable Counter Block Programs Control Block
Question No: 3( Marks: 1 )
The input frequency of the programmable interval timer (PIT) is
Fixed (Page 122)
Depends on processor clock
Variable
Depends on hardware attached
Question No: 4( Marks: 1 )
Programmable interrupt controller has two ports 20 and 21. Port 20 is
the control port while port 21 is...........
The Interrupt mask
register (Page 115)
Interrupt port Output port Input
port
28
Question No: 5( Marks: 1 )
The time interval between two
timer ticks is ? 40ms
45ms 50ms
55ms
(Page 122)
Question No: 6( Marks: 1 )
Which of the following
interrupts is used for saving and restoring the registers INT6
Int7
Int8 (Page 141)
Int0
.
Question No: 7( Marks: 1 )
In programmable interrupt
controller which of the following ports is referred as a interrupt mask register? 19
20
21 (Page 115)
22
Question No: 8( Marks: 1 )
The programmable interval timer (PIT) has input frequency of
1.193MHZ (Page 122)
2.192MHZ
3.196MHZ
4.198MHZ
Question No: 9( Marks: 1 )
Peripheral address space is
selected when which of the following instructions is given to the processor?
MOV
IN (Page 155)
Add Out
Question No: 10( Marks: 1 )
Direction flag, the interrupt
flag, and the trap flag are used for mathematical operations
not used for mathematical
operations (Page 133)
status flags
not status flags
29
Cs401
– Quiz No.3 (June 2012)
Question No: 1( Marks: 1 )
The space where all the registers of a task are stored is called the
control block (Page 140) process
control block stack
memory
Question No: 2( Marks: 1 )
Which of the following interrupt
is of highest priority interrupt? Select correct option:
Key board interrupt
Timer interrupt (Page
122)
INT 2
INT 3
Question No: 3( Marks: 1 )
The instruction used to read a character from the keyboard port is
in al, 0x60 (Page 125)
out al, 0x60 in al, 0x80 out al,
0x80
Question No: 4( Marks: 1 ) Each thread
can have their own execution area
stack (Page 141)
memory array
Question No: 5( Marks: 1 )
All the registers & stack
are saved in Multitasking
multi-processing function call
BIOS
30
Question No: 6( Marks: 1 ) There is no instruction to clear the
Select correct option:
Trap flag (Page 133) Interrupt
flag Direction flag
None of the above
Question No: 7( Marks: 1 )
The interrupt mask register
which can be used for selectively enabling or disabling interrupts is
associated with Select correct option:
Port 19
Port 20
Port 21 (Page 115)
Port 22
Question No: 8( Marks: 1 )
The parallel port connector is
called? Select correct option:
DB-25 (Page 125)
BD-25 DB-24
BD-24
31
v