Primary Memory Class 6 MCQs
Primary Memory – Class 6 MCQs
Course: CBSE Class 6 Computer Science
Section: Memory and Storage Devices
Topic: Primary Memory
Based on: NCERT Syllabus | CBSE Board Examination Pattern
Section: Memory and Storage Devices
Topic: Primary Memory
Based on: NCERT Syllabus | CBSE Board Examination Pattern
1. What is Primary Memory?
Answer: B. Main memory of computer
Explanation: Primary memory is the main memory where data and instructions are stored temporarily while the computer is working.
Explanation: Primary memory is the main memory where data and instructions are stored temporarily while the computer is working.
2. Which of the following is a type of Primary Memory?
Answer: A. RAM
Explanation: RAM is a primary memory used to store data temporarily while the computer is running.
Explanation: RAM is a primary memory used to store data temporarily while the computer is running.
3. RAM stands for:
Answer: B. Random Access Memory
Explanation: RAM allows data to be accessed randomly and quickly.
Explanation: RAM allows data to be accessed randomly and quickly.
4. Primary memory is also called:
Answer: B. Main Memory
Explanation: It is directly connected to the CPU and stores working data.
Explanation: It is directly connected to the CPU and stores working data.
5. Which memory is temporary?
Answer: B. RAM
Explanation: RAM loses data when the power is turned off.
Explanation: RAM loses data when the power is turned off.
6. ROM stands for:
Answer: A. Read Only Memory
Explanation: ROM stores permanent instructions needed to start a computer.
Explanation: ROM stores permanent instructions needed to start a computer.
7. Which memory is permanent?
Answer: C. ROM
Explanation: ROM retains data even when power is off.
Explanation: ROM retains data even when power is off.
8. Primary memory is located:
Answer: B. Inside CPU cabinet
Explanation: Primary memory is installed on the motherboard inside the CPU.
Explanation: Primary memory is installed on the motherboard inside the CPU.
9. Which memory helps in fast processing?
Answer: A. Primary Memory
Explanation: It provides quick access to data for the CPU.
Explanation: It provides quick access to data for the CPU.
10. Data in RAM is lost when:
Answer: B. Power goes off
Explanation: RAM is volatile memory.
Explanation: RAM is volatile memory.
11. Volatile memory means:
Answer: B
Explanation: Volatile memory loses data without power.
Explanation: Volatile memory loses data without power.
12. Non-volatile memory example:
Answer: B
Explanation: ROM keeps data permanently.
Explanation: ROM keeps data permanently.
13. Which starts the computer?
Answer: B
Explanation: Booting instructions are stored in ROM.
Explanation: Booting instructions are stored in ROM.
14. Smallest primary memory unit:
Answer: A
Explanation: Bit is the smallest data unit.
Explanation: Bit is the smallest data unit.
15. 8 bits equal:
Answer: B
Explanation: 8 bits make 1 byte.
Explanation: 8 bits make 1 byte.
16. Primary memory works with:
Answer: A
Explanation: CPU directly accesses primary memory.
Explanation: CPU directly accesses primary memory.
17. Faster than secondary memory:
Answer: A
Explanation: RAM provides high-speed access.
Explanation: RAM provides high-speed access.
18. Example of volatile memory:
Answer: B
Explanation: RAM data disappears without power.
Explanation: RAM data disappears without power.
19. Which stores current work?
Answer: B
Explanation: Active programs run in RAM.
Explanation: Active programs run in RAM.
20. Primary memory is essential because:
Answer: B
Explanation: Without primary memory, CPU cannot process tasks.
Explanation: Without primary memory, CPU cannot process tasks.
