Example 1
1 kilobyte (KB) is equal to
Answer: D) 1024 bytes
In binary measurement, 1 KB = 2¹⁰ bytes.
Computer Awareness questions for competitive exams: rules, worked examples and practice
Computer awareness questions test basic terms, hardware, software, the internet, MS Office shortcuts and security.
Key rules and formulas
- RAM is volatile (loses data without power); ROM is non-volatile.
- 1 KB = 1024 bytes; processor speed is measured in hertz (GHz).
- Shortcuts: Ctrl+C copy, Ctrl+V paste, Ctrl+Z undo, Ctrl+A select all.
- Phishing tricks people into giving away passwords or bank details.
Common traps
- Using 1000 instead of 1024 for KB in computer questions.
- Confusing input and output devices.
Where Computer Awareness is asked
- SSC CGL Tier 2 (Computer Knowledge)
Worked examples
Example 2
What does RAM stand for?
Answer: C) Random Access Memory
RAM is the working memory.
Example 3
Which of these is an output device?
Answer: B) Printer
Keyboard, mouse and scanner are input devices.
More Computer Awareness practice questions
- Which of these is an operating system?
- What does URL stand for?
- Processor clock speed is measured in
- In Excel, the reference $A$1 is
- What does LAN stand for?
- What is the main purpose of a firewall?
- Which keyboard shortcut copies selected text in Windows?
- An IPv4 address is how many bits long?
- A Microsoft Excel file is a
- Which part of the computer is called its brain?
- In email, BCC stands for
Frequently asked questions
What is Computer Awareness in competitive exams?
Computer awareness questions test basic terms, hardware, software, the internet, MS Office shortcuts and security.
Which exams ask Computer Awareness questions?
On MockBazaar, Computer Awareness questions appear in SSC CGL Tier 2.
What is the most common mistake in Computer Awareness?
Using 1000 instead of 1024 for KB in computer questions.