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Computer Science Mcqs 1971 MCQs [All-Courses]

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Get exam-focused Computer MCQs for PPSC, FPSC, NTS, OTS, PTS, AJKPSC, BPSC, KPPSC, PMS, CSS, and all competitive exams.Boost your IT knowledge with MCQs on Computer Basics, MS Office, Networking, Hardware, Software, and Cyber Security.Improve accuracy, strengthen concepts, and prepare smartly for any screening or written test.

All Topics  1971

Which of the printers used in conjunction with computers uses dry ink powder?
A Daisy wheel printer
B Line printer
C Laser printer
D Thermal printer
Correct Answer: Laser printer
The proper definition of a modern digital computer is____________?
A An electronic automated machine that can solve problems involving words and numbers
B A more sophistic and modified electronic pocket calculator
C Any machine that can perform mathematical operations
D A machine that works on binary code
Correct Answer: An electronic automated machine that can solve problems involving words and numbers
Who invented Slide Rules?
A John Napier
B William Oughtred
C Gottfried Leibnitz
D Blaise Pascal
Correct Answer: William Oughtred
In_______________mode, the communication channel is used in both directions at the same time?
A Full-duplex
B Simplex
C Half-duplex
D None of the above
Correct Answer: Full-duplex
Serial access memories are useful in applications where:
A Data consists of numbers
B Short access time is required
C Each stored word is processed differently
D Data naturally needs to flow in and out in serial form
Correct Answer: Data naturally needs to flow in and out in serial form
What do you call the translator which takes assembly language program as input & produce machine language code as output?
A Compiler
B Interpreter
C Debugger
D Assembler
Correct Answer: Assembler
Which of the following memories must be refreshed many times per second?
A Static RAM
B Dynamic RAM
C EPROM
D ROM
Correct Answer: Dynamic RAM
The programs which are as permanent as hardware and stored in ROM is known as___________?
A Hardware
B Software
C Firmware
D ROM ware
Correct Answer: Firmware
Identify the true statement about computer.
A Computers are 100% accurate but it can suffer from GIGO (Garbage In Garbage Out)
B Computers are reliable because they use electronic component which have very low failure rate
C Computer is never tired and does not suffer from boredom
D All of above
Correct Answer: All of above
One of the popular mass storage device is CD ROM. What does CD ROM stand for?
A Compactable Read Only Memory
B Compact Data Read Only Memory
C Compactable Disk Read Only Memory
D Compact Disk Read Only Memory
Correct Answer: Compact Disk Read Only Memory
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