Memory: A Comprehensive Guide for Computer Systems and Networks

Question 1

In a computer system, which type of memory is primarily responsible for storing the operating system and programs that are currently running?

Accepted Answer

RAM

Answer

ROM

Answer

Cache

Answer

HDD

Question 2

Which type of RAM maintains its data even when the computer is turned off, without requiring a power source?

Accepted Answer

SRAM

Answer

SDRAM

Answer

DRAM

Answer

DDR5

Question 3

What is the primary function of a cache memory in a computer system?

Accepted Answer

To store frequently accessed data and instructions, reducing the need to access slower main memory.

Answer

To increase the clock speed of the central processing unit (CPU).

Answer

To expand the overall memory capacity of the system.

Answer

To protect the operating system from unauthorized access.

Question 4

Which of the following accurately describes latency in the context of computer memory?

Accepted Answer

The time it takes for the memory to respond to a read or write request.

Answer

The amount of data that can be stored in memory at one time.

Answer

The speed at which data can be transferred between memory and other components.

Answer

The durability of memory over time.

Question 5

What is the key difference between volatile and non-volatile memory?

Accepted Answer

Volatile memory loses its stored data when power is removed, while non-volatile memory retains its data.

Answer

Non-volatile memory loses its stored data when power is removed, while volatile memory retains its data.

Answer

Both volatile and non-volatile memory lose their stored data when power is removed.

Answer

Both volatile and non-volatile memory retain their stored data when power is removed.

Question 6

Which of the following is an example of a network memory device?

Accepted Answer

WAN

Answer

RAM

Answer

HDD

Answer

Cache

Question 7

What is the primary purpose of memory management in computer systems?

Accepted Answer

To allocate and reclaim memory resources for running programs and processes.

Answer

To ensure the integrity of data stored in memory.

Answer

To prevent unauthorized access to memory.

Answer

To maximize the performance of memory hardware.

Question 8

Which type of memory is used to store data permanently, even when the computer is turned off?

Accepted Answer

ROM

Answer

RAM

Answer

Cache

Answer

DRAM

Question 9

What is the primary function of a memory controller?

Accepted Answer

To manage data transfer between memory and the processor

Answer

To store data temporarily

Answer

To detect and correct memory errors

Answer

To provide virtual memory

Question 10

Which of the following factors does NOT affect the performance of memory?

Accepted Answer

Form factor

Answer

Access time

Answer

Capacity

Answer

Bus speed

Question 11

What is the purpose of virtual memory?

Accepted Answer

To extend the amount of physical memory available to the system

Answer

To store frequently used data in a faster memory

Answer

To improve data security

Answer

To reduce memory fragmentation

Question 12

What is the difference between cache and main memory?

Accepted Answer

Cache is smaller and faster than main memory

Answer

Main memory is smaller and faster than cache

Answer

Cache stores frequently used data, while main memory stores all data

Answer

Cache is used for storing instructions, while main memory stores data

Question 13

Which of the following is an advantage of using ECC memory?

Accepted Answer

Increased data reliability

Answer

Enhanced performance

Answer

Reduced power consumption

Answer

Lower cost

Question 14

What is the main purpose of volatile memory, such as RAM?

Accepted Answer

To store data temporarily, which is lost when the power is turned off

Answer

To store data permanently

Answer

To provide high-speed data access

Answer

To protect data from unauthorized access

Question 15

Which of the following factors has the most significant impact on the performance of memory?

Accepted Answer

Latency (access time)

Answer

Capacity

Answer

Clock speed

Answer

Data rate

Question 16

What is the fundamental distinction between synchronous and asynchronous memory?

Accepted Answer

Synchronous memory operates in sync with the system clock, while asynchronous memory does not

Answer

Synchronous memory is faster

Answer

Asynchronous memory is more stable

Answer

Asynchronous memory is used in older systems

Question 17

Which of the following is a common type of flash memory used in computer systems and devices?

Accepted Answer

NAND

Answer

DRAM

Answer

SRAM

Answer

ROM

Question 18

What is the primary responsibility of a memory controller in a computer system?

Accepted Answer

To manage data flow between memory and other system components

Answer

To store data permanently

Answer

To improve data transfer speeds

Answer

To protect data from unauthorized access

Question 19

Which of the following is NOT a characteristic of static RAM (SRAM)?

Accepted Answer

Non-volatile (data is retained even when power is removed)

Answer

Faster than dynamic RAM

Answer

Requires a constant power supply to maintain its state

Answer

Used in CPU caches

Question 20

What is the main purpose of using a dual-channel memory configuration?

Accepted Answer

To increase memory bandwidth by allowing data to be transferred across two channels simultaneously

Answer

To improve memory latency by reducing access time

Answer

To reduce power consumption by utilizing only one memory channel at a time

Answer

To increase memory capacity by combining the storage space of two separate memory modules

Question 21

Which type of memory is temporary and loses its contents when power is disconnected?

Accepted Answer

RAM (Random Access Memory)

Answer

Hard Disk Drive (HDD)

Answer

ROM (Read-Only Memory)

Question 22

What is the primary role of a memory controller in a computer system?

Accepted Answer

Manages access to and from memory modules

Answer

Stores data permanently

Answer

Transfers data between the CPU and memory

Answer

Converts data from digital to analog signals

Question 23

What is the main purpose of utilizing a cache memory in a computer system?

Accepted Answer

To store frequently accessed data for faster retrieval

Answer

To store all data in the system

Answer

To provide backup storage in case of system failure

Question 24

Which of the following is a specific type of dynamic random access memory (DRAM)?

Accepted Answer

SDRAM (Synchronous Dynamic Random Access Memory)

Answer

Flash memory

Answer

SRAM (Static Random Access Memory)

Answer

EEPROM (Electrically Erasable Programmable Read-Only Memory)

Question 25

How does increased memory capacity typically affect the performance of a computer system?

Accepted Answer

Increased memory capacity can improve responsiveness and multitasking capabilities

Answer

Memory capacity has no significant impact on system performance

Answer

Increased memory capacity slows down system startup time

Question 26

What is a primary benefit of using error-correcting code (ECC) memory?

Accepted Answer

Detects and corrects single-bit errors in memory data

Answer

Increases memory speed

Answer

Reduces power consumption

Answer

Encrypts data stored in memory