Computer Basics MCQs set 3 for ISSB - Pak Navy Officer Selection General Knowledge — 20 solved questions.
Q1. Cloud storage means data stored on?
Answer: Remote servers
Explanation: Cloud storage keeps files on remote internet servers. This fact often appears in ISSB academic and general knowledge sections.
Q2. Two-factor authentication adds?
Answer: Extra security layer
Explanation: 2FA requires a second verification step for security. This fact often appears in ISSB academic and general knowledge sections.
Q3. Open source software allows users to?
Answer: View and modify code
Explanation: Open source licenses permit access to source code. This fact often appears in ISSB academic and general knowledge sections.
Q4. What does GPU stand for?
Answer: Graphics Processing Unit
Explanation: GPU means Graphics Processing Unit used for rendering images. This fact often appears in ISSB academic and general knowledge sections.
Q5. Binary digit is called?
Answer: Bit
Explanation: A bit is the smallest unit of binary data. This fact often appears in ISSB academic and general knowledge sections.
Q6. SSD stores data on?
Answer: Flash memory chips
Explanation: Solid State Drives use flash memory with no moving parts. This fact often appears in ISSB academic and general knowledge sections.
Q7. Firewall in computing is used to?
Answer: Block unauthorized network access
Explanation: A firewall filters network traffic for security. This fact often appears in ISSB academic and general knowledge sections.
Q8. LAN stands for?
Answer: Local Area Network
Explanation: LAN means Local Area Network within a limited area. This fact often appears in ISSB academic and general knowledge sections.
Q9. HTTPS adds what to HTTP?
Answer: Encryption security
Explanation: HTTPS encrypts data using SSL or TLS protocols. This fact often appears in ISSB academic and general knowledge sections.
Q10. Cache memory is used for?
Answer: Fast temporary data access
Explanation: Cache stores frequently used data for faster CPU access. This fact often appears in ISSB academic and general knowledge sections.
Q11. Open source software means?
Answer: Free to modify and share
Explanation: Open source code can be viewed modified and distributed freely. This fact often appears in ISSB academic and general knowledge sections.
Q12. Bluetooth is used for?
Answer: Short range wireless communication
Explanation: Bluetooth connects devices over short distances wirelessly. This fact often appears in ISSB academic and general knowledge sections.
Q13. Cloud computing stores data on?
Answer: Remote servers via internet
Explanation: Cloud services host data on remote servers accessed online. This fact often appears in ISSB academic and general knowledge sections.
Q14. Mouse is what type of device?
Answer: Input
Explanation: A mouse is an input device for pointing and clicking. This fact often appears in ISSB academic and general knowledge sections.
Q15. BIOS is stored on?
Answer: Motherboard firmware chip
Explanation: BIOS firmware initializes hardware during computer boot. This fact often appears in ISSB academic and general knowledge sections.
Q16. Cookie in web browsing is a?
Answer: Small data file on your device
Explanation: Cookies store small pieces of data for websites. This fact often appears in ISSB academic and general knowledge sections.
Q17. Router directs data in a?
Answer: Network
Explanation: Routers forward data packets between computer networks. This fact often appears in ISSB academic and general knowledge sections.
Q18. Spreadsheet software example?
Answer: Excel
Explanation: Microsoft Excel is widely used spreadsheet software. Work each step carefully; ISSB math rewards accuracy under time pressure.
Q19. Operating system example?
Answer: Windows
Explanation: Windows is a widely used computer operating system. Work each step carefully; ISSB math rewards accuracy under time pressure.
Q20. Phishing attack tries to steal?
Answer: Sensitive personal information
Explanation: Phishing tricks users into revealing passwords or data. This fact often appears in ISSB academic and general knowledge sections.