,Chapter 1
Multiple Choice Questions
1. In what way is an operating system like a government?
A) It seldom functions correctly.
B) It creates an environment within which other programs can do useful work.
C) It performs most useful functions by itself.
D) It is always concerned primarily with the individual's needs.
Ans: B
Section 1.1
Difficulty: Easy
2. Which of the following components of a computer system defines the ways to use system
resources to solve computing problems?
A) application programs
B) operating system
C) computer hardware
D) computer logo
Ans: A
Difficulty: Easy
Feedback: 1.1
3. ____ operating systems are designed primarily to maximize resource utilization.
A) PC
B) Handheld computer
C) Mainframe
D) Network
Ans: C
Feedback: 1.1.1
Difficulty: Easy
1
,4. Which of the following programs runs all the time on the computer?
A) compiler
B) assembler
C) text editor
D) kernel
Ans: D
Difficulty: Easy
Feedback: 1.1.3
5. Which of the following will trigger an interrupt?
A) kernel function
B) software execution
C) CPU execution
D) I/O completion
Ans: D
Difficulty: Easy
Feedback: 1.2.1
6. Which of the following is NOT secondary storage device?
A) random access memory
B) solid state disks
C) optical disk
D) magnetic tape
Ans: A
Difficulty: Easy
Feedback: 1.2.2
7. Which of the following contains the addresses of all the service routines?
A) page table
B) interrupt vector
C) system call table
D) file descriptor table
Ans: B
Difficulty: Easy
Feedback: 1.2.1.1
2
, 8. Which of the following stage triggers the CPU switch from user program to interrupt
processing?
A) I/O request
B) transfer done
C) interrupt signaled
D) interrupt handled
Ans: C
Difficulty: Medium
Feedback: 1.2.1.1
9. The device controller _____ an interrupt by asserting a signal on the
interrupt request line.
A) raises
B) catches
C) dispatches
D) clears
Ans: A
Difficulty: Easy
Feedback: 1.2.1.2
10. The CPU catches the interrupt and ____ it to the interrupt handler
A) raises
B) catches
C) dispatches
D) clears
Ans: C
Difficulty: Easy
Feedback: 1.2.1.2
11. Which of the following clears the interrupt by servicing the device?
A) interrupt request line
B) interrupt-controller hardware
C) interrupt vector
D) interrupt service routine
Ans: D
Difficulty: Medium
Feedback: 1.2.1.1
3
Multiple Choice Questions
1. In what way is an operating system like a government?
A) It seldom functions correctly.
B) It creates an environment within which other programs can do useful work.
C) It performs most useful functions by itself.
D) It is always concerned primarily with the individual's needs.
Ans: B
Section 1.1
Difficulty: Easy
2. Which of the following components of a computer system defines the ways to use system
resources to solve computing problems?
A) application programs
B) operating system
C) computer hardware
D) computer logo
Ans: A
Difficulty: Easy
Feedback: 1.1
3. ____ operating systems are designed primarily to maximize resource utilization.
A) PC
B) Handheld computer
C) Mainframe
D) Network
Ans: C
Feedback: 1.1.1
Difficulty: Easy
1
,4. Which of the following programs runs all the time on the computer?
A) compiler
B) assembler
C) text editor
D) kernel
Ans: D
Difficulty: Easy
Feedback: 1.1.3
5. Which of the following will trigger an interrupt?
A) kernel function
B) software execution
C) CPU execution
D) I/O completion
Ans: D
Difficulty: Easy
Feedback: 1.2.1
6. Which of the following is NOT secondary storage device?
A) random access memory
B) solid state disks
C) optical disk
D) magnetic tape
Ans: A
Difficulty: Easy
Feedback: 1.2.2
7. Which of the following contains the addresses of all the service routines?
A) page table
B) interrupt vector
C) system call table
D) file descriptor table
Ans: B
Difficulty: Easy
Feedback: 1.2.1.1
2
, 8. Which of the following stage triggers the CPU switch from user program to interrupt
processing?
A) I/O request
B) transfer done
C) interrupt signaled
D) interrupt handled
Ans: C
Difficulty: Medium
Feedback: 1.2.1.1
9. The device controller _____ an interrupt by asserting a signal on the
interrupt request line.
A) raises
B) catches
C) dispatches
D) clears
Ans: A
Difficulty: Easy
Feedback: 1.2.1.2
10. The CPU catches the interrupt and ____ it to the interrupt handler
A) raises
B) catches
C) dispatches
D) clears
Ans: C
Difficulty: Easy
Feedback: 1.2.1.2
11. Which of the following clears the interrupt by servicing the device?
A) interrupt request line
B) interrupt-controller hardware
C) interrupt vector
D) interrupt service routine
Ans: D
Difficulty: Medium
Feedback: 1.2.1.1
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