M C Q s D r i v e

Computer Science Mcqs 1985 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.

Microsoft Word file extension is:

A .xls
B .ppt
C .docx
D .txt
Correct Answer: .docx
Explanation:

  • The .docx format was introduced with Microsoft Word 2007 and is the standard file extension for Word documents.
  • Earlier versions of Microsoft Word used the .doc extension.

What does ".com" stand. for in Computer field?

A Communication
B Computer
C Community
D Commercial
Correct Answer: Commercial

Which language used for design the webpages:

A URL
B HTML
C Python
D JAVA
Correct Answer: HTML
Explanation:

  • HTML (HyperText Markup Language) is the standard language used to design and structure web pages.
  • It organizes webpage content using elements such as headings, paragraphs, images, links, and tables.
  • HTML provides the basic framework on which every website is built.

In OSI model which layer is responsible for encryption and decryption of data:

A Application layer
B Data Layer
C Upper Layer
D Presentation Layer
Correct Answer: Presentation Layer
Explanation:

  • Presentation Layer is responsible for encryption and decryption of data in the OSI model.
  • It converts data into a format that can be understood by different systems.
  • This layer also performs data compression and data translation.

Difference between HDD and SSD:

A HHD is larger than SSD
B SSD used magnetic storage, HHD used flash memory
C HHD used magnetic storage, SSD used flash memory
D None of these
Correct Answer: HHD used magnetic storage, SSD used flash memory
Explanation:

  • HDD (Hard Disk Drive) uses magnetic storage to store data on spinning disks.
  • SSD (Solid State Drive) uses flash memory to store data electronically.

Which element is used in transistor and chips:

A Gold
B Zinc
C Silicon
D Copper
Correct Answer: Silicon
Explanation:

  • Silicon (Si) is the element most commonly used in transistors and computer chips.
  • It is a semiconductor, meaning it can control the flow of electricity efficiently.
  • Silicon is widely used in electronic devices because it is reliable and cost-effective.

Main difference between Laser and injekt Printer:

A Spray ink on paper
B Use for laser technology
C Injekt printer spray liquid ink and laser printer use tonner and laser technology
D None of these
Correct Answer: Injekt printer spray liquid ink and laser printer use tonner and laser technology
Explanation:

  • Inkjet Printer sprays liquid ink directly onto the paper to create text or images.
  • Laser Printer uses a laser beam and toner powder to print on paper.
  • Inkjet is usually cheaper, while laser printer is faster and better for bulk printing.

Full form of VIRUS:

A Vital information resource under siege
B Very introductive result under source
C Very informative records uses search
D Vital Information resource under system
Correct Answer: Vital information resource under siege
Explanation:

  • VIRUS stands for Vital Information Resources Under Siege.
  • It refers to a type of malicious software that harms computer data and systems.
  • It can spread from one computer to another and corrupt files or programs.

Who is the inventor of WWW in 1989 which is helpful in computer field:

A Charles Babbage
B Warren Buffet
C Tim burners Lee
D Aiken
Correct Answer: Tim burners Lee
Explanation:

  • The inventor of the World Wide Web (WWW) in 1989 is:Tim Berners-Lee
  • He invented the WWW while working at CERN.
  • It made sharing and accessing information on the internet easier using web pages and links.

Which control is used to select or deselect multiple options:

A Debugging
B Check box
C Combo Box
D None of these
Correct Answer: Check box
Explanation:

The control used to select or deselect multiple options is a checkbox.

  • It allows selecting more than one option at a time.

  • Each box can be checked (selected) or unchecked (deselected) independently.