WorksheetsQuiz
Total questions: 20
Worksheet time: 7mins
1. What does CPU stand for?
Central Processing Unit
Central Printing Unit
Control Processing Utility
Computer Personal Unit
2.Which is the first calculating device?
Calculator
Abacus
ENIAC
Pascaline
3.Which technology is used in ATM cards for contactless payment?
NFC
Wi-fi
Bluetooth
GPS
4.Which file extension is used for images?
.exe
.jpg
.txt
.mp3
5. A processor doubles its speed every 2 years. If it runs at 2 GHz today, what will be the speed after 6 years?
4 GHz
8 GHz
16 GHz
64 GHz
6.A hacker types a 4-digit PIN. Each digit can be 0–9.
How many possible PINs are there?
1000
9000
10,000
40,000
7. Which button is used to refresh a webpage?
F5
F2
F10
F12
8. What does USB stand for?
Universal Serial Bus
Universal System Bus
Unique Serial Box
Unified System Base
9.What does PDF stand for?
Portable Document Format
Personal Document File
Print Data File
Portable Disk File
10.Which company developed the Windows operating system?
IBM
Apple
Microsoft
Intel
11. What does BIOS stand for?
Basic Input Output System
Binary Input Output Setup
Basic Internal Output System
Base Integrated Operating Setup
12.What does HTTP stand for?
Hyper Text Transfer Protocol
High Tech Transfer Process
Hyperlink Text Transmission Protocol
Hyper Tool Transfer Program
13. Who invented the World Wide Web (WWW)?
Elon Musk
Steve Jobs
Tim Berners-Lee
Bill Gates
14. What will be the output of 2¹⁰?
1024
1000
2048
512
15.If the speed of light is ~3,00,000 km/s, how long does it take sunlight to reach Earth (~150 million km)?
1 second
24 hours
24 hours
8 minutes
16.A computer understands only
English
Binary (0 and 1)
Assembly language
Java
17. If 8 bits = 1 byte, how many bytes are there in 1 kilobyte (KB)?
100
512
1024
2048
18. The first computer bug (1947) was actually caused by:
A coding mistake
A moth in the relay
A loose wire
Power cut
19. A pen drive is advertised as 64 GB, but Windows shows only 59.6 GB.
Why?
Manufacturers use 1000, not 1024
Virus removed space
Formatting deleted some
Hidden partition
20. Latest iOS version
iOS 24
iOS 25
iOS 26
iOS 27
