Explanation

Laser technology is used in compact disc

Compact Disc is an example of Optical Storage

James T. Russell invented C.D. (Compact Disc).

 co-developed by Philips and Sony to store and play digital audio recordings.

history

 In August 1982, the first compact disc was manufactured.

It was then released in October 1982 in Japan and branded as Digital Audio Compact Disc.

It was released on March 2, 1983, in North America and Europe.

Explanation

A printer is an output device that transfers digital information from a computer onto a physical medium, most commonly paper. 

Scanner:

Used to digitize physical documents or images, converting them into digital data.

Monitor:

An output device that displays visual information from a computer, but it does not produce physical copies on paper.

Keyboard:

An input device used to enter text and commands into a computer. 

Explanation

A joystick is a device that captures user input.

It typically to control movement or actions in a game or simulation.

Explanation

RAM stands for Random Access Memory

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Computer RAM is essentially short-term memory where data is stored as the processor needs it.

RAM (Random Access Memory) is the hardware in a computing device where the operating system (OS)

Explanation

In binary measurement (used in computing):  

1 Petabyte (PB) = 1024 Terabytes (TB)

Explanation

Text starts from the left margin.

Ragged right edge (not aligned on the right).

Suitable for most documents (letters, reports).

Can be changed to Center, Right, or Justify as needed.

Explanation

A register is a small, high-speed storage location within the CPU that temporarily holds data or instructions needed for immediate processing.

The control unit directs the CPU to access data from registers and use it for various operations. 

Explanation

PROM, which stands for Programmable Read-Only Memory,

It is a type of chip that can be programmed with data after manufacturing, unlike standard ROM.

This is programmed during production and cannot be changed. 

Explanation

The Control Unit directs all operations in the CPU.

The ALU (Arithmetic Logic Unit) performs arithmetic and logical operations.

Explanation

Hardware refers to the physical components of a computer system, like the keyboard, mouse, CPU, and monitor.

It contrasts with software, which refers to programs and logic.