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Computer Science Mcqs 1983 MCQs [All-Courses]

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Get exam-focused Computer MCQs covering everything from basic computer fundamentals to advanced topics. Prepare for PPSC, FPSC, NTS, OTS, PTS, KPPSC, BPSC, AJKPSC, PMS, CSS, and Computer Operator tests with 1977+ solved MCQs. Topics include MS Office, MS Word, MS Excel, PowerPoint, Computer Networking, Hardware, Software, and Cyber Security. Whether you are a beginner or preparing for a written test or screening, MCQsDrive covers all courses to help you score higher.

All Topics  1983

Who is called the Father of Computers?

A Charles Babbage
B Thomas Kurtz
C Konrad Zuse
D Bill Gates
Correct Answer: Charles Babbage

In which year did Blaise Pascal from France invented the Pascaline Machine?

A 1640
B 1642
C 1650
D 1670
Correct Answer: 1642

Who invented the Abacus around 5000 years ago as a calculating device?

A Egyptians
B Greeks
C Chinese
D Indians
Correct Answer: Chinese

What is the default file extension of Notepad?

A .txt
B .docx
C .html
D .xlsx
Correct Answer: .txt
Explanation:

  • Notepad is a simple text editor in Windows used to create plain text files.
  • When you save a file in Notepad without changing the extension, it is automatically saved as filename.txt.
  • It does not support formatting (like bold, italics, or fonts), unlike Word (.docx) or Excel (.xlsx).
  • You can also save Notepad files as .html or other extensions, but .txt is the default.



Which one of the following has the shortest access time (fastest memory)?

A RAM
B Cache Memory
C Hard Disk
D Register
Correct Answer: Register
Explanation:


The basic language of computer consist of ____?

A Opcode
B Operand
C Both A and B
D None of these
Correct Answer: Both A and B
Explanation:

  • A computer’s fundamental instruction language is made up of two parts: the opcode and the operand.
  • The opcode tells the computer what action to carry out, while the operand provides the data or memory location needed for that action.

CAI stands for ______?

A Community Assisted Instruction
B Computer Assistant Instruction
C Computer Assisted Instruction
D Characteristics of Assistant Instructor
Correct Answer: Computer Assisted Instruction
Explanation:

  • CAI means using computers as a tool to support teaching and learning.
  • It improves education by offering interactive lessons and instruction tailored to individual learners.

CLI stands for _____?

A Common-line interface
B Command-line internet
C Command-line interface
D None of these
Correct Answer: Common-line interface
Explanation:

  • A command-line interface (CLI) is a text-based user interface (UI) used to run programs, manage computer files and interact with the computer.
  • Command-line interfaces are also called command-line user interfaces.


Which of the following is a storage device?

A Tape
B Hard Disk
C Floppy Disk
D All of the above
Correct Answer: All of the above

What does DMA stand for?

A Distinct Memory Access
B Direct Memory Access
C Direct Module Access
D Direct Memory Allocation
Correct Answer: Direct Memory Access
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