MCQ IN COMPUTER SCIENCE & ENGINEERING

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COMPUTER SCIENCE AND ENGINEERING

COMPUTER ORGANIZATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
____ holds data and intsruction.
A
Memory unit
B
Input Unit
C
Output Unit
D
All the above
Explanation: 

Detailed explanation-1: -Main memory holds instructions and data when a program is executing, while auxiliary memory holds data and programs not currently in use and provides long-term storage.

Detailed explanation-2: -Primary storage (also known as main memory ) is the component of the computer that holds data, programs and instructions that are currently in use.

Detailed explanation-3: -A hard disk drive or solid state drive holds all of the data; files, photos, programs, music, and movies, that the user wants to keep. Removable, external media storage devices such as flash drives and read/writeable CDs and DVDs are also secondary storage. A computer can’t function without a storage drive, however.

Detailed explanation-4: -RAM is used to hold data and instructions that are currently in use. In a modern PC, RAM is used to hold the operating system and any open documents and programs that are running. RAM can be read from and written to.

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