Explanation

Hard Disk is an example of Magnetic Storage and Secondary storage.

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

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

ND07-3-2023.

Explanation

An internal hard drive is the primary storage device located inside a computer system.

It usually contains pre-installed software applications, the operating system and other files.

Explanation

  مدربورڈ ميں ريم، روم اور مائکرو پروسيسر لگے ہوئے ہوتے ہيں

ND2-03-2023

Explanation

ایک ٹرانجسٹر کمپیوٹر، جسے اب اکثر دوسری نسل کا کمپیوٹر کہا جاتا ہے۔

ایک ایسا کمپیوٹر ہے جو ویکیوم ٹیوب کے بجائے مجرد ٹرانزسٹر استعمال کرتا ہے۔

ND2-03-2023

Explanation

The hard disk is a secondary storage device, which is designed to store data permanently.

Note: ROM and RAM are two main types of Primary Storage Device 

Explanation

Examples of Input Devices

1.       Keyboard.

2.       Mouse.

3.       Touchpad.

4.       Scanner.

5.       Digital Camera.

6.       Microphone.

7.       Joystick.

8.       Graphic Tablet

***

RY17-012-23

Explanation

The menu bar is the part of a browser or application window, typically at the top left side, that houses drop-down menus that allow the user to interact with the content or application in various ways.

Explanation

The control unit of the central processing unit regulates and integrates the operations of the computer.

Explanation

Arithmetic operations are performed by the ALU

ALU stands for Arithmetic & Logical Unit. 

This is the core component responsible for executing arithmetic (ADD, SUB, etc.) and logical (AND, OR, NOT) operations.

The ALU is housed within the CPU, which acts as the "brain" of the computer.