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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