Prepare for SBI Mains, Supreme Court JCA, CBSE Superintendent Jr Asst exams, and other competitive tests with our expert-curated Computer Quiz. Covering key topics like computer architecture, memory, networking, operating systems, Excel, and programming.
Computer Quiz for Sbi Mains SCI JCA CBSE Competitive Exams
Boost your exam preparation with our Computer Quiz, designed for SBI Mains, SCI JCA, CBSE, and other competitive exams. Get MCQs, detailed explanations, and the latest updates to enhance your performance. Start practicing now!
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1. Who is the architect of the computer?
a) Alan Turing
b) John von Neumann
c) Charles Babbage
d) Bill Gates
2. Computer stores its memory in which form?
a) Decimal
b) Octal
c) Binary
d) Hexadecimal
3. Name the memory that works between CPU and RAM.
a) ROM
b) Cache memory
c) Hard disk
d) Virtual memory
4. Computer address bus is?
a) Unidirectional
b) Bidirectional
c) Multidirectional
d) None of the above
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5. Type of computer system bus used to carry data between processor and other components?
a) Address Bus
b) Data Bus
c) Control Bus
d) System Bus
6. The address in the main memory is called?
a) Physical Address
b) Virtual Address
c) Logical Address
d) None of the above
7. Name the computer bus which connects CPU to memory on the system board.
a) Data Bus
b) Memory Bus
c) Address Bus
d) Control Bus
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8. Which is the main memory of the CPU?
a) ROM
b) RAM
c) Hard Disk
d) Cache Memory
9. 1 kilobyte equals how many nibbles?
a) 512
b) 1024
c) 2048
d) 4096
10. A group of bits that tells the computer to perform a specific operation is called?
a) Bit
b) Instruction
c) Command
d) Data
11. The speed of a CPU is measured in?
a) Hertz
b) Seconds
c) Bytes
d) Joules
12. Name some input devices.
a) Monitor, Printer
b) Keyboard, Mouse
c) CPU, RAM
d) Hard disk, SSD
13. Which key is used to permanently delete a file in Windows?
a) Shift + Delete
b) Ctrl + Delete
c) Alt + Delete
d) Delete
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14. Which programming language is known as the backbone of web development?
a) Python
b) C++
c) JavaScript
d) PHP
15. Which input device is primarily used for gaming purposes?
a) Scanner
b) Joystick
c) Keyboard
d) Mouse
16. Cloud computing is associated with which type of storage?
a) Local Storage
b) Virtual Storage
c) Optical Storage
d) Cloud Storage
17. Which type of memory is non-volatile and stores startup information?
a) RAM
b) ROM
c) Cache
d) Registers
18. LAN stands for what in networking?
a) Large Area Network
b) Local Area Network
c) Lightwave Area Network
d) Low Address Network
19. What is the name of the first computer virus?
a) Brain
b) Creeper
c) Melissa
d) ILOVEYOU
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20. IPv6 addresses are written in which format?
a) Binary
b) Decimal
c) Hexadecimal
d) Octal
21. IPv6 was developed by?
a) IEEE
b) IETF
c) ICANN
d) ISO
22. Which Excel feature under the Data tab is used to remove duplicate entries?
a) Data Validation
b) Remove Duplicates
c) Filter
d) Pivot Table
23. Freeze Pane is available under which tab in Excel?
a) Insert
b) Data
c) View
d) Home
24. Which is the latest supercomputer of India?
a) PARAM Siddhi-AI
b) Pratyush
c) Mihir
d) PARAM Ananta
25. FTP & HTTP work in which layer of the OSI model?
a) Transport Layer
b) Session Layer
c) Application Layer
d) Network Layer
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Explanations for Computer Quiz for Sbi Mains SCI JCA CBSE Competitive Exams
- John von Neumann developed the modern computer architecture model.
- Computers store memory in binary (0s and 1s).
- Cache memory works between CPU and RAM for faster data access.
- The address bus is unidirectional as it only sends addresses from the CPU to memory.
- Data Bus carries data between the processor and other components.
- Physical Address refers to the location in main memory.
- Memory Bus connects CPU to memory.
- RAM is the main memory used for processing.
- 1 Kilobyte = 1024 bytes = 2048 nibbles (1 nibble = 4 bits).
- An instruction is a group of bits that tells the computer to perform an operation.
- CPU speed is measured in Hertz (GHz for modern CPUs).
- Keyboard and Mouse are common input devices.
- Shift + Delete permanently deletes a file in Windows.
- JavaScript is the backbone of web development.
- A joystick is a gaming input device.
- Cloud Storage is used in cloud computing.
- ROM is non-volatile and stores startup data (BIOS).
- LAN stands for Local Area Network.
- Creeper was the first computer virus.
- IPv6 uses hexadecimal format (e.g., 2001:db8::1).
- IETF (Internet Engineering Task Force) developed IPv6.
- Remove Duplicates is the feature to eliminate duplicate data in Excel.
- Freeze Pane is available under the View tab in Excel.
- PARAM Siddhi-AI is India’s latest supercomputer.
- FTP & HTTP work in the Application Layer of the OSI model.
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