Memory Types (RAM, ROM, Cache) MCQs

What does RAM stand for?
A) Random Access Memory
B) Read Access Memory
C) Rapid Access Memory
D) Readable Access Memory
Answer: A

What is the main function of RAM in a computer?
A) To permanently store data
B) To temporarily store data and instructions for quick access
C) To manage input/output operations
D) To control the CPU
Answer: B

Which type of memory is non-volatile and retains its data even when powered off?
A) RAM
B) ROM
C) Cache
D) Hard Disk
Answer: B

What does ROM stand for?
A) Read-Only Memory
B) Random Operating Memory
C) Readable Object Memory
D) Rapid Output Memory
Answer: A

Which of the following is an example of volatile memory?
A) ROM
B) Flash Memory
C) RAM
D) Hard Drive
Answer: C

What type of RAM is used for high-speed data access?
A) DRAM
B) SRAM
C) EEPROM
D) Flash Memory
Answer: B

What is the primary use of ROM in a computer?
A) To store user data
B) To store firmware and boot instructions
C) To temporarily store active processes
D) To enhance processing speed
Answer: B

Which of the following statements about cache memory is true?
A) Cache memory is slower than RAM.
B) Cache memory is non-volatile.
C) Cache memory is faster than RAM.
D) Cache memory is used for permanent storage.
Answer: C

What is the function of cache memory?
A) To permanently store large files
B) To speed up access to frequently used data
C) To store system firmware
D) To provide backup storage
Answer: B

What type of ROM can be rewritten and reprogrammed?
A) PROM
B) EEPROM
C) Flash Memory
D) Both B and C
Answer: D

Which type of memory is typically used for storing the BIOS?
A) RAM
B) Cache
C) ROM
D) Hard Disk
Answer: C

What is the primary difference between SRAM and DRAM?
A) SRAM is slower than DRAM.
B) DRAM requires constant refreshing, while SRAM does not.
C) SRAM is non-volatile, while DRAM is volatile.
D) DRAM is more expensive than SRAM.
Answer: B

Which type of RAM is commonly used in modern computers?
A) SRAM
B) DRAM
C) SDRAM
D) Both B and C
Answer: D

Which memory type is considered a temporary storage area for the CPU?
A) ROM
B) Hard Drive
C) RAM
D) Cache
Answer: C

What happens to the data stored in RAM when the power is turned off?
A) It is saved permanently.
B) It remains intact.
C) It is lost.
D) It is transferred to the hard drive.
Answer: C

What type of cache is built directly into the CPU?
A) Level 1 (L1) Cache
B) Level 2 (L2) Cache
C) Level 3 (L3) Cache
D) All of the above
Answer: A

Which of the following is a characteristic of EEPROM?
A) It cannot be rewritten.
B) It retains data without power.
C) It is slower than RAM.
D) It is volatile.
Answer: B

Which type of RAM is often used for video graphics cards?
A) SRAM
B) GDDR
C) DRAM
D) Both B and C
Answer: D

What is the primary purpose of virtual memory?
A) To increase physical RAM
B) To provide additional storage
C) To allow a computer to use hard drive space as if it were RAM
D) To speed up the CPU
Answer: C

What is the function of the address bus in relation to memory?
A) To transfer data between RAM and the CPU
B) To identify memory locations
C) To control memory access
D) To store instructions
Answer: B

Which memory type is used for cache in modern CPUs?
A) SRAM
B) DRAM
C) ROM
D) Flash
Answer: A

What is the typical size of cache memory in modern computers?
A) 256 KB to 8 MB
B) 1 MB to 16 MB
C) 512 MB to 2 GB
D) 8 GB to 32 GB
Answer: A

Which type of ROM is used to store firmware that can be updated?
A) PROM
B) EPROM
C) EEPROM
D) Flash Memory
Answer: D

What does volatile memory mean?
A) It retains data permanently.
B) It loses data when power is lost.
C) It is used for long-term storage.
D) It is faster than non-volatile memory.
Answer: B

What is the key advantage of cache memory?
A) It is cheap to manufacture.
B) It provides permanent storage.
C) It allows faster access to frequently used data.
D) It has a larger capacity than RAM.
Answer: C

Which memory is faster, RAM or Cache?
A) RAM
B) Cache
C) They are equally fast.
D) It depends on the type of RAM.
Answer: B

What is the purpose of DRAM refreshing?
A) To speed up data access
B) To prevent data loss due to charge leakage
C) To increase storage capacity
D) To enhance power efficiency
Answer: B

What type of storage device uses Flash Memory?
A) Hard Disk Drive
B) Solid State Drive
C) Optical Drive
D) Magnetic Tape
Answer: B

What is the main drawback of using ROM?
A) It is slower than RAM.
B) It cannot be modified easily.
C) It is volatile.
D) It is more expensive than RAM.
Answer: B

Which type of memory is typically the slowest?
A) Cache
B) RAM
C) ROM
D) Hard Drive
Answer: D

Which of the following is a common application for Flash Memory?
A) ROM storage
B) USB drives and SSDs
C) Cache memory
D) None of the above
Answer: B

What type of memory is most suitable for temporary data storage during processing?
A) ROM
B) Cache
C) RAM
D) Hard Disk
Answer: C

Which of the following types of memory can be both read from and written to?
A) ROM
B) RAM
C) Cache
D) All of the above
Answer: D

Which memory type is typically used for booting an operating system?
A) RAM
B) Cache
C) ROM
D) Flash
Answer: C

What is a primary characteristic of non-volatile memory?
A) It requires constant power to retain data.
B) It retains data even when powered off.
C) It is faster than volatile memory.
D) It is used only for temporary storage.
Answer: B

Which type of memory is often found in smartphones for application storage?
A) ROM
B) SRAM
C) Flash Memory
D) Cache
Answer: C

Which type of cache is located on the motherboard but not in the CPU?
A) Level 1 Cache
B) Level 2 Cache
C) Level 3 Cache
D) None of the above
Answer: B

What is the difference between static and dynamic RAM?
A) Static RAM is faster than dynamic RAM.
B) Dynamic RAM requires refreshing, while static RAM does not.
C) Static RAM is used for primary storage, while dynamic RAM is not.
D) Both A and B
Answer: D

Which type of RAM is typically faster but more expensive?
A) DRAM
B) SRAM
C) EEPROM
D) Flash Memory
Answer: B

What does ‘memory hierarchy’ refer to in computer architecture?
A) The organization of different types of memory in a system based on speed and size
B) The arrangement of data on a hard drive
C) The classification of input and output devices
D) The sequence of operations performed by the CPU
Answer: A

What kind of memory is essential for storing the operating system?
A) ROM
B) Cache
C) RAM
D) Flash
Answer: C

Which of the following types of memory is commonly used for high-speed operations in gaming consoles?
A) DRAM
B) SRAM
C) Cache
D) Flash Memory
Answer: B

 

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