Set 1: Basic Computer Knowledge (1–20)
1. Who is known as the father of the computer?
A) Charles Babbage
B) Alan Turing
C) Bill Gates
D) Steve Jobs
✅ Answer: A) Charles Babbage
He conceptualized the first mechanical computer.
2. Which part of the computer is considered the “brain”?
A) RAM
B) Hard Drive
C) CPU
D) Monitor
✅ Answer: C) CPU
The CPU performs all processing tasks.
3. Which device is used to input graphical images?
A) Keyboard
B) Scanner
C) Printer
D) Speaker
✅ Answer: B) Scanner
It captures physical images and converts them to digital.
4. What does RAM stand for?
A) Read A Memory
B) Random Access Memory
C) Rapid Access Mechanism
D) Run Access Memory
✅ Answer: B) Random Access Memory
Temporary memory for quick data access.
5. Which software is used for creating documents?
A) MS Word
B) MS Excel
C) MS Paint
D) Chrome
✅ Answer: A) MS Word
Word processor used for creating text documents.
6. What is the full form of URL?
A) Uniform Resource Locator
B) Unique Resource Location
C) Uniform Relocation Link
D) User Reliable Link
✅ Answer: A) Uniform Resource Locator
It is the address used to access web resources.
7. What kind of device is a mouse?
A) Output
B) Input
C) Storage
D) Processing
✅ Answer: B) Input
Used to interact with on-screen items.
8. Which of these is NOT an operating system?
A) Windows
B) Linux
C) Oracle
D) macOS
✅ Answer: C) Oracle
Oracle is a database software.
9. Which of these is an output device?
A) Mouse
B) Keyboard
C) Monitor
D) Scanner
✅ Answer: C) Monitor
Displays output from the computer.
10. Which file extension is used for Word documents?
A) .xls
B) .docx
C) .ppt
D) .txt
✅ Answer: B) .docx
Used for Microsoft Word files.
11. What is software?
A) Physical parts of a computer
B) Programs and applications
C) Devices attached to the computer
D) None of the above
✅ Answer: B) Programs and applications
Instructions that direct the computer.
12. Which company developed Windows OS?
A) Google
B) Apple
C) Microsoft
D) IBM
✅ Answer: C) Microsoft
Bill Gates’ company created it.
13. What is the shortcut key to copy?
A) Ctrl + V
B) Ctrl + C
C) Ctrl + P
D) Ctrl + Z
✅ Answer: B) Ctrl + C
Used for copying text or files.
14. Binary number system is based on:
A) 4 digits
B) 2 digits
C) 10 digits
D) 16 digits
✅ Answer: B) 2 digits
Uses 0 and 1 only.
15. Which device is used to print on paper?
A) Monitor
B) Scanner
C) Printer
D) CPU
✅ Answer: C) Printer
Transfers digital documents to paper.
16. Which key is used to delete to the left of the cursor?
A) Delete
B) Shift
C) Backspace
D) Insert
✅ Answer: C) Backspace
Deletes characters before the cursor.
17. What does HTML stand for?
A) Hyper Text Markup Language
B) HighText Machine Language
C) HyperTabular Markup Language
D) None
✅ Answer: A) Hyper Text Markup Language
Used to create web pages.
18. Which of these is NOT a storage device?
A) CD
B) USB
C) RAM
D) Printer
✅ Answer: D) Printer
It does not store data.
19. Which of these is a programming language?
A) Windows
B) C++
C) Google
D) Excel
✅ Answer: B) C++
Used to write software programs.
20. What is the function of a modem?
A) Display
B) Sound output
C) Internet connection
D) Processing
✅ Answer: C) Internet connection
Connects a computer to the internet.
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