CS401 MCQs

FINAL TERM EXAMINATION SPRING 2010

CS401 COMPUTER ARCHITECTURE AND ASSEMBLY

LANGUAGE PROGRAMMING

9 AUG 2010
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
· 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
· 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
· Third byte
· Fourth byte
Question No: 4 ( Marks: 1 ) - Please choose one
7. VESA VEB 2.0 is standard for
· High Resolution Mode
· 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
· 7
· 8
Question No: 6 ( Marks: 1 ) - Please choose one
Threads can have function calls, parameters and variables.
· global
· local
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· legal
· illegal
Question No: 7 ( Marks: 1 ) - Please choose one
How many prevalent calling conventions do exist
· 1
· 2
· 3
· 4
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Question No: 8 ( Marks: 1 ) - Please choose one
In 9pin DB 9 DSR is assigned on pin number
· 4
· 5
· 6
· 7
Question No: 9 ( Marks: 1 ) - Please choose one
In 9pin DB 9 CTS is assigned on pin number
· 6
· 7
· 8
· 9
Question No: 10 ( Marks: 1 ) - Please choose one
In 9pin DB 9 CD is assigned on pin number
· 1
· 2
· 3
· 4
Question No: 11 ( Marks: 1 ) - Please choose one
A 32bit address register can access upto ............................of memory so memory
access has increased a lot.
· 2GB
· 4GB
· 6GB
· 8GB
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
Question No: 13 ( Marks: 1 ) - Please choose one
9. Which of the following IRQ is cascading interrupt
· IRQ 0
· IRQ 1
· IRQ 2
· 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
Question No: 15 ( Marks: 1 ) - Please choose one
An End of Interrupt (EOI) signal is sent by
· Handler
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· Processor
eagle_eye
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· IRQ
· PIC
Question No: 16 ( Marks: 1 ) - Please choose one
The number of pins in a parallel port connector are?
· 20
· 25
· 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
· 25-32
· 32-39
Question No: 18 ( Marks: 1 ) - Please choose one
A 32bit address register can access upto .......................... of memory so memory
access has increased a lot.
· 2GB
· 4GB
· 6GB
· 8GB
Question No: 19 ( Marks: 1 ) - Please choose one
9 Pin Serial connector is called
· DB-7
· DB-9
· DB-25
· 9DB-5
Question No: 20 ( 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
· Home Directive, Foreign Directive
· Foreign Directive, Home Directive

By : ADEEL ABBAS 

www.allvupastpapers.blogspot.com 

AdeelAbbasbk@gmail.com