ISSB - Pak Navy Officer Selection General Knowledge Computer Basics — Set 2

ISSB - Pak Navy Officer Selection General Knowledge Computer Basics — Set 2

1. Question 1

   Q1. Software is:

   • A) Physical parts of a computer
   • B) Programs and instructions
   • C) Only the monitor
   • D) Only the keyboard

   Answer: Programs and instructions

   Explanation: Software is the programs that run on a computer. This fact often appears in ISSB academic and general knowledge sections.

2. Question 2

   Q2. Hardware is:

   • A) Programs only
   • B) Physical components of a computer
   • C) Only the internet
   • D) Only data

   Answer: Physical components of a computer

   Explanation: Hardware is the physical parts of a computer system. This fact often appears in ISSB academic and general knowledge sections.

3. Question 3

   Q3. A byte has how many bits?

   • A) 4
   • B) 8
   • C) 16
   • D) 32

   Answer: 8

   Explanation: One byte consists of 8 bits. This fact often appears in ISSB academic and general knowledge sections.

4. Question 4

   Q4. An example of an output device is:

   • A) Keyboard
   • B) Mouse
   • C) Printer
   • D) Scanner

   Answer: Printer

   Explanation: A printer produces output from the computer. Work each step carefully; ISSB math rewards accuracy under time pressure.

5. Question 5

   Q5. RAM is:

   • A) Permanent storage only
   • B) Temporary working memory
   • C) Only a printer
   • D) Only a cable

   Answer: Temporary working memory

   Explanation: RAM is temporary working memory. This option matches the rule tested here.

6. Question 6

   Q6. HTTP is used for:

   • A) Printing only
   • B) Transferring web pages
   • C) Cooling CPUs
   • D) Storing only files offline

   Answer: Transferring web pages

   Explanation: HTTP transfers web pages between servers and browsers. This fact often appears in ISSB academic and general knowledge sections.

7. Question 7

   Q7. 1 KB equals how many bytes?

   • A) 100
   • B) 512
   • C) 1024
   • D) 1000

   Answer: 1024

   Explanation: In binary units one kilobyte equals 1024 bytes. Work each step carefully; ISSB math rewards accuracy under time pressure.

8. Question 8

   Q8. RAM in computing stands for?

   • A) Read Access Memory
   • B) Random Access Memory
   • C) Run Active Memory
   • D) Rapid Application Memory

   Answer: Random Access Memory

   Explanation: RAM means Random Access Memory used for temporary storage. This fact often appears in ISSB academic and general knowledge sections.

9. Question 9

   Q9. Binary number 101 equals decimal?

   • A) 4
   • B) 5
   • C) 6
   • D) 7

   Answer: 5

   Explanation: Binary 101 is 4 plus 0 plus 1 which equals 5. Work each step carefully; ISSB math rewards accuracy under time pressure.

10. Question 10

    Q10. URL stands for?

    • A) Uniform Resource Locator
    • B) Universal Reference Link
    • C) Unified Resource Language
    • D) User Remote Login

    Answer: Uniform Resource Locator

    Explanation: URL means Uniform Resource Locator the web address. This fact often appears in ISSB academic and general knowledge sections.

11. Question 11

    Q11. Malware designed to replicate and spread?

    • A) Spyware
    • B) Worm
    • C) Adware
    • D) Firmware

    Answer: Worm

    Explanation: A worm self-replicates and spreads across networks. This fact often appears in ISSB academic and general knowledge sections.

12. Question 12

    Q12. OS in computer stands for?

    • A) Open System
    • B) Operating System
    • C) Online Service
    • D) Optical Storage

    Answer: Operating System

    Explanation: OS means Operating System like Windows or Linux. This fact often appears in ISSB academic and general knowledge sections.

13. Question 13

    Q13. Phishing is a type of?

    • A) Hardware failure
    • B) Online fraud attack
    • C) Power surge
    • D) Legal contract

    Answer: Online fraud attack

    Explanation: Phishing tricks users into revealing sensitive information online. This fact often appears in ISSB academic and general knowledge sections.

14. Question 14

    Q14. Keyboard key that deletes backward?

    • A) Enter
    • B) Backspace
    • C) Shift
    • D) Tab

    Answer: Backspace

    Explanation: Backspace deletes the character before the cursor. This fact often appears in ISSB academic and general knowledge sections.

15. Question 15

    Q15. PDF file type is mainly for?

    • A) Games
    • B) Documents
    • C) Music
    • D) Video

    Answer: Documents

    Explanation: PDF preserves formatted documents across devices. This fact often appears in ISSB academic and general knowledge sections.

16. Question 16

    Q16. CPU is part of?

    • A) Monitor
    • B) Computer
    • C) Printer
    • D) Speaker

    Answer: Computer

    Explanation: CPU is the main processing unit inside a computer. This fact often appears in ISSB academic and general knowledge sections.

17. Question 17

    Q17. Phishing targets?

    • A) Hardware
    • B) User credentials
    • C) Power supply
    • D) Screen pixels

    Answer: User credentials

    Explanation: Phishing tries to steal passwords and sensitive data. This fact often appears in ISSB academic and general knowledge sections.

18. Question 18

    Q18. Firewall is used for?

    • A) Cooling
    • B) Network security
    • C) Printing
    • D) Storage

    Answer: Network security

    Explanation: Firewalls filter traffic to protect networks. This fact often appears in ISSB academic and general knowledge sections.

19. Question 19

    Q19. Binary 111 equals decimal?

    • A) 5
    • B) 6
    • C) 7
    • D) 8

    Answer: 7

    Explanation: Four plus two plus one equals seven. Work each step carefully; ISSB math rewards accuracy under time pressure.

20. Question 20

    Q20. SSD compared to HDD is generally?

    • A) Slower
    • B) Faster
    • C) Larger always
    • D) Cheaper always

    Answer: Faster

    Explanation: Solid state drives usually offer faster access than HDD. This fact often appears in ISSB academic and general knowledge sections.