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

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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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