Computer Storage | MCQs

Explanation

The hard disk was invented on September 13, 1956, by an IBM team led by Rey Johnson

The commercial usage of hard disk drives (HDD) began in 1957

Rey Johnson (considered as “father” of the disk drive).

A computer hard disk drive is a non-volatile data storage device.

Hard Disk is an example of Magnetic Storage

Explanation

RAM is volatile and primary memory.

ROM is non-volatile and permanent storage.

Explanation

The main memory of a computer is also known by several names, including:

• Primary storage
• Internal memory
• Primary memory
• Main storage
• Random Access Memory (RAM)

All these terms refer to the computer's volatile memory, which temporarily stores data and programs that are currently being used or processed by the CPU (Central Processing Unit).

RAM is a primary memory.

ROM is a primary memory.

RAM stands for: Random Access Memory

ROM stands for: Read Only Memory

Explanation

Explanation

Volatile memory is a computer memory that requires power to maintain the stored information.

Volatile memory retains its contents while powered on but when the power is interrupted, the stored data is quickly lost.

Explanation

• A box that contains multiple hard disk drives is called a Hard disk array.
• This term is often used to describe a collection of hard disk drives that are combined to provide improved data storage and redundancy.