ISSB - Pak Navy Officer Selection General Knowledge Computer Basics — Set 3

Computer Basics MCQs set 3 for ISSB - Pak Navy Officer Selection General Knowledge — 20 solved questions.

ISSB - Pak Navy Officer Selection General Knowledge Computer Basics — Set 3

  1. Question 1

    Q1. Cloud storage means data stored on?

    • A) Floppy only
    • B) Remote servers
    • C) Keyboard
    • D) Mouse

    Answer: Remote servers

    Explanation: Cloud storage keeps files on remote internet servers. This fact often appears in ISSB academic and general knowledge sections.

  2. Question 2

    Q2. Two-factor authentication adds?

    • A) Extra security layer
    • B) More ads
    • C) Slower CPU only
    • D) Free storage

    Answer: Extra security layer

    Explanation: 2FA requires a second verification step for security. This fact often appears in ISSB academic and general knowledge sections.

  3. Question 3

    Q3. Open source software allows users to?

    • A) View and modify code
    • B) Never update
    • C) Only print
    • D) Ban sharing

    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.

  4. Question 4

    Q4. What does GPU stand for?

    • A) General Processing Unit
    • B) Graphics Processing Unit
    • C) Global Program Utility
    • D) Graphical Power Unit

    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.

  5. Question 5

    Q5. Binary digit is called?

    • A) Byte
    • B) Bit
    • C) Nibble
    • D) Word

    Answer: Bit

    Explanation: A bit is the smallest unit of binary data. This fact often appears in ISSB academic and general knowledge sections.

  6. Question 6

    Q6. SSD stores data on?

    • A) Magnetic disks
    • B) Flash memory chips
    • C) Optical discs
    • D) Punch cards

    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.

  7. Question 7

    Q7. Firewall in computing is used to?

    • A) Cool the CPU
    • B) Block unauthorized network access
    • C) Increase storage
    • D) Print documents

    Answer: Block unauthorized network access

    Explanation: A firewall filters network traffic for security. This fact often appears in ISSB academic and general knowledge sections.

  8. Question 8

    Q8. LAN stands for?

    • A) Large Area Network
    • B) Local Area Network
    • C) Linked Access Node
    • D) Linear Array Network

    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.

  9. Question 9

    Q9. HTTPS adds what to HTTP?

    • A) Speed
    • B) Encryption security
    • C) More colors
    • D) Larger files

    Answer: Encryption security

    Explanation: HTTPS encrypts data using SSL or TLS protocols. This fact often appears in ISSB academic and general knowledge sections.

  10. Question 10

    Q10. Cache memory is used for?

    • A) Permanent storage
    • B) Fast temporary data access
    • C) Printing
    • D) Network routing

    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.

  11. Question 11

    Q11. Open source software means?

    • A) Free to modify and share
    • B) No internet needed
    • C) Hardware only
    • D) Paid license required

    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.

  12. Question 12

    Q12. Bluetooth is used for?

    • A) Short range wireless communication
    • B) Long distance radio
    • C) Underwater signaling
    • D) Satellite navigation

    Answer: Short range wireless communication

    Explanation: Bluetooth connects devices over short distances wirelessly. This fact often appears in ISSB academic and general knowledge sections.

  13. Question 13

    Q13. Cloud computing stores data on?

    • A) Remote servers via internet
    • B) Floppy disks only
    • C) Local CD drives
    • D) Typewriters

    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.

  14. Question 14

    Q14. Mouse is what type of device?

    • A) Output
    • B) Input
    • C) Storage
    • D) Processing

    Answer: Input

    Explanation: A mouse is an input device for pointing and clicking. This fact often appears in ISSB academic and general knowledge sections.

  15. Question 15

    Q15. BIOS is stored on?

    • A) Motherboard firmware chip
    • B) Monitor screen
    • C) Keyboard
    • D) Mouse sensor

    Answer: Motherboard firmware chip

    Explanation: BIOS firmware initializes hardware during computer boot. This fact often appears in ISSB academic and general knowledge sections.

  16. Question 16

    Q16. Cookie in web browsing is a?

    • A) Small data file on your device
    • B) Virus always
    • C) Hardware part
    • D) Monitor setting

    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.

  17. Question 17

    Q17. Router directs data in a?

    • A) Network
    • B) Printer only
    • C) Keyboard
    • D) Monitor

    Answer: Network

    Explanation: Routers forward data packets between computer networks. This fact often appears in ISSB academic and general knowledge sections.

  18. Question 18

    Q18. Spreadsheet software example?

    • A) Excel
    • B) Photoshop
    • C) VLC
    • D) WinRAR

    Answer: Excel

    Explanation: Microsoft Excel is widely used spreadsheet software. Work each step carefully; ISSB math rewards accuracy under time pressure.

  19. Question 19

    Q19. Operating system example?

    • A) Windows
    • B) Chrome browser only
    • C) PDF reader
    • D) Keyboard driver only

    Answer: Windows

    Explanation: Windows is a widely used computer operating system. Work each step carefully; ISSB math rewards accuracy under time pressure.

  20. Question 20

    Q20. Phishing attack tries to steal?

    • A) Sensitive personal information
    • B) Electricity
    • C) Physical gold
    • D) Building materials

    Answer: Sensitive personal information

    Explanation: Phishing tricks users into revealing passwords or data. This fact often appears in ISSB academic and general knowledge sections.