Operating System MCQs 600+ | Most repeated Operating system 600+ MCQs : Part - 02

Описание: Operating System MCQs 600+ | Most repeated Operating system 600+ MCQs : Part - 02
What is an Operating System
Operating system MCQs
Operating system repeated MCQs
Most wanted Operating system MCQs

OPERATING SYSTEM
OS MCQQS
OSMCQS
PPSCMCQS
PPSC MCQS
FPSC MCQS
PPSC
FPSC
Subject Specialist SS
Computer Science mcqs
Information Technology mcqs
process mcqs
important process mcqs
NTS TEST MASTER
Operating system mcqs
21. A program is an ____ entity.
A. Active
B. Passive
C. Both A and B
D. None of thes

22. In Unix, which system call creates the new process
A. Fork
B. Create
C. New
D. None of these

23. Which system call is used in Unix to terminate the executoin of the process.
A. Fork
B. Exe
C. Abort
D. Exit

24. I/O function allows to exchange data directly between an .
A. Process States
B. Registers
C. I/O module and the processor
D. I/O devices

25. Cache memory is intended to provide memory access
A. Fastest
B. Slow
C. Very Slow
D. Comparatively Fast

26. The primary element used for data storage is said to be
A. Monitor
B. Main storage
C. secondary storage
D. Keyboard

27. Interrupts are provided primarily as a way to
A. Improve processor utilization .
B. Improve processor execution
C. Improve processor control
D. Improve processor speed

28. Index register involves adding an
A. Index
B. Instruction
C. Information
D. I/O device

29. Program counter contains the address of the
A. Next programs to be fetched
B. Previous programs to be fetched
C. Previous information to be fetched
D. Next information to be fetched

30. Memory modules consist of
A. Set of Instructions
B. Set of Registers
C. Set of Locations .
D. Set of Programs

31. Processor is often referred to
A. Central Processing Unit
B. Hardware
C. System Bus
D. I/O Modules


32. I/O interrupt-driven is more efficient than
A. I/O Modules
B. I/O Devices
C. Programmed I/O
D. CPU

33. Segment pointers divided memory into
A. Register
B. Process
C. Segments
D. Scaling

34. The set of all logical addresses generated by a program is referred to as a
A. Memory Addresses
B. Physical Addresses
C. Logical address Space
D. Buffer Addresses

35. The replacement algorithm chooses the constraints of
A. Blocks
B. Cache Size
C. Mapping Function
D. Block Size

36. Data moved between computer components through
A. I/O Processor
B. I/O Modules
C. I/O Devices
D. I/O Buffers

37. Condition codes are bits typically set by the .
A. Processor execution
B. processor operation
C. Processor hardware
D. Processor software

38. Instruction register contains the instructions most
A. recently deleted
B. Recently fetched
C. Recently updated
D. Recently executed

39. The unit of data exchange between cache and main memory is known as
A. Cache Memory
B. Cache Size
C. Block Size
D. Mapping Function

40. User visible registers enable the machine or programmer to
A. Minimize Compiler .
B. Minimize Register
C. Minimize Control
D. Minimize Main Memory usage