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Board Maharashtra  State Council of Educational Research and Training
Class Class 12th / HSC
Download Question Bank With Answer Key
Stream Arts, Commerce and Science
Subject Computer Science (D9) Paper I
Document Type PDF
Official Website https://maa.ac.in/index.php?tcf=home

Maharashtra HSC Computer Science I Question Bank

Maharashtra  State Council of Educational Research and Training, Pune Class 12th/HSC Computer Science I Question Bank With Answer Key March 2021

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Download HSC Computer Science I Question Bank

Class & Subjects Question Bank
Class XII Computer Science I
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Maharashtra Class XII Computer Science I Sample Questions

1. Operating system is a __________
i) hardware
ii) software
iii) printer
iv) input device

2. ‘Open files’ is a system call provided under _________ of operating
system.
i) Information management
ii) Process management
iii) Memory management
iv) GUI

3. Program under execution is known as __________.
i) File
ii) Information
iii) Data
iv) Process

4. _______is a service of memory management of operating system.
i) Copy a file
ii) Suspend a Process
iii) Allocate a chunk of memory
iv) Open a directory

5. Windows 98 is a __________ operating system.
i) Single user multitasking
ii) Uni-programming
iii) Multiuser
iv) Multiprocessing

6. _______ is a free operating system.
i) Unix
ii) Linux
iii) Mac OS
iv) MS Windows

7. In Magnetic tapes __________ access method is used.
i) Direct
ii) Random
iii) Sequential
iv) Binary

8. Concentric circles on disk surface are known as _______.
i) Tracks
ii) Sectors
iii) Clusters
iv) Paths

9. Time taken to adjust the appropriate sector under read /write head in disk is called as ____________.
i) Seek time
ii) Access time
iii) Transmission time
iv) Latency time.

10. Device drivers are ____________
i) Software programs
ii) Viruses
iii) Scanners
iv) Devices used to run CD

11. A terminal or VDU means _______________.
i) Voice Doubling Unit
ii) Visual Display Unit
iii) Very Dumb Unit
iv) Video Display Utility

12. ____ is a logical unit of data that operating system defines for its convenience.
i) Track
ii) Sector
iii) Block
iv) Plate

13. In multiprogramming operating system, the number of processes running simultaneously is known as _______.
i) Context
ii) Index number
iii) Threads
iv) Degree of multiprogramming

14. When a process is waiting for an external event like I/O, it is in___________ state.
i) Running
ii) Blocked
iii) Ready
iv) Halted

15. In Non-preemptive philosophy of process scheduling throughput __________
i) Decreases
ii) Increases
iii) Remains constant
iv) Has no effect

16. _______ process scheduling is most suitable for real time systems.
i) Slow
ii) Non preemptive
iii) Preemptive
iv) Single

17. _________ is also known as light weight process.
i) Thread
ii) Program
iii) Time slice
iv) Operating system

18. Operating system maintains all the information about each process in a data structure called ________
i) Process List
ii) Process control block
iii) Process schedule
iv) Process philosophy

19. Memory management service of operating system manages allocations of _______
i) Disk based memory
ii) Tape based memory
iii) Main memory
iv) Flash memory

20. ________ is a non contiguous real memory management system.
i) Fixed partitioned
ii) Variable partitioned
iii) Single contiguous
iv) Paging

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