COMPUTER FUNDAMENTALS

COMPUTER ARCHITECTURE

MEMORY SYSTEMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is a disadvantage of Virtual Memory?
A
Read/Write speed of a hard disk drive is slower than RAM. If the computer has to rely on this, the system is much slower.
B
Read/Write speeds of a hard drive are faster than RAM, meaning the system is much faster.
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -The main disadvantage of virtual memory is that it is much slower than RAM, so it can slow down the performance of the computer. Additionally, the size of the swap file can be limited, so if the computer needs to use more memory than the swap file can provide, it will not be able to use the additional memory.

Detailed explanation-2: –Virtual memory reduces the amount of hard disk space available for your usage.-It has a negative impact on system stability.-It enables bigger programs to operate on systems that do not have enough physical RAM to execute them on their own.-It can’t provide support at the level a RAM does.

Detailed explanation-3: -It may take up precious storage space. Virtual memory is slower than physical RAM. Switching between applications may require extra time. It may cause stability problems. Virtual memory is prone to marketing schemes. 07-Jul-2022

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