CS401 Spring 2010 Quizzes Held on 27 July 2010

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Question # 1 of 10 Total Marks: 1
When two devices in the system want to use the same IRQ line then what will happen?
Select correct option:

An IRQ Conflict
An IRQ Crash
An IRQ Collision
An IRQ Blockage


Question # 2 of 10 Total Marks: 1
Hard disk MBR( Master Boot Record ) is of size_____.
Select correct option:

446 bytes
350 bytes
512 bytes
256 bytes


Question # 3 of 10 Total Marks: 1
Which of the following IRQs is connected to serial port COM 2?
Select correct option:

IRQ 0
IRQ 1
IRQ 2
IRQ 3


Question # 4 of 10 Total Marks: 1
The first sector on hard disk contains the
Select correct option:

Hard disk size
Partition table
Data size
Sector size


Question # 5 of 10 Total Marks: 1
In programmable interrupt controller which of the following ports is referred as a control
port?
Select correct option:

19
20
21
22


Question # 6 of 10 Total Marks: 1
Which of the following IRQs is used by the parallel port?
Select correct option:

IRQ 4
IRQ 5
IRQ 6
IRQ 7


Question # 7 of 10 Total Marks: 1
The programmable interval timer (PIT) has input frequency of
Select correct option:

1.193MHZ
2.193MHZ
3.193MHZ
4.193MHZ


Question # 8 of 10 Total Marks: 1
CX register mostly use a
Select correct option:

Counter register
Flag register
Base register
Desination register


Question # 9 of 10 Total Marks: 1
The input frequency of the programmable interval timer (PIT) is
Select correct option:

Fixed
Depends on processor clock
Variable
Depends on hardware attached


Question # 10 of 10 Total Marks: 1
The thread registration code initializes the PCB and adds it to the linked list so that the
__________ will give it a turn.

Select correct option:
Assembler
Scheduler
Linker
Debugger



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