COMPUTER FUNDAMENTALS

COMPUTER SOFTWARE

OPERATING SYSTEMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What best describes virtual memory?
A
Storage in the cloud
B
The cache memory in the processor
C
Using the hard disk as if it were memory
D
Data is not lost when the computer is switched off
Explanation: 

Detailed explanation-1: -A system using virtual memory uses a section of the hard drive to emulate RAM. With virtual memory, a system can load larger or multiple programs running at the same time, enabling each one to operate as if it has more space, without having to purchase more RAM.

Detailed explanation-2: -Physical memory: Physical memory refers to the RAM or the primary memory in the computer. Physical memory is a volatile memory. Therefore, it requires a continuous flow of power to retain data. Virtual memory is a logical memory. In other words, it is a memory management technique performed by the operating system.

Detailed explanation-3: -Higher capacity hard drives can store larger amounts and sizes of files, such as videos, music, pictures, and documents. “Virtual memory” is hard disk space that has been designated to act like RAM. It assists the computer with multi-tasking when there is not a sufficient amount of RAM for the tasks.

There is 1 question to complete.