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WorksheetsComputer Science
Total questions: 8
Worksheet time: 2mins
1. A technique used by codes to convert an analog signal into a digital bit stream is known as
A. Pulse code modulation
B. Pulse stretcher
C. Query processing
D. Queue management
2. Most important advantage of an IC is its
A. Easy replacement in case of circuit failure
B. Extremely high reliability
C. Reduced cost
D. Low power consumption
3. Which one of the following error will be handle by the operating system?
A. Power failure
B. Lack of paper in printer
C. Connection failure in the network
D. all of the mentioned
4. Which facility dynamically adds probes to a running system, both in user processes and in the kernel?
A. DTrace
B. DLocate
C. DMap
D. DAdd
5. Which one of the following is not a real time operating system?
A. VxWorks
B. Windows CE
C. RTLinux
D. Palm OS
6. What is the full form of RMI?
A. Remote Memory Installation
B. Remote Memory Invocation
C. Remote Method Installation
D. Remote Method Invocation
7. Which module gives control of the CPU to the process selected by the short-term scheduler?
A. dispatcher
B. interrupt
C. scheduler
D. none of the mentioned
8. Which scheduling algorithm allocates the CPU first to the process that requests the CPU first?
A. First-come, first-served scheduling
B. Shortest job scheduling
C. Priority scheduling
D. None of the mentioned
