Explanation

• An operating system that allows a single user to perform only one task at a time is called a Single-User Single-Tasking Operating System.
• Functions like printing a document, downloading images, etc., can be performed only one at a time. Examples include MS-DOS, Palm OS, etc.
• Advantage:
  • This operating system occupies less space in memory.
• Disadvantage:
  • It can perform only a single task at a time.

Explanation

• MS Word is a widely used word processor developed by Microsoft.
• It was first released on October 25, 1983.
• MS Word is an example of application software.
• It allows users to type and save documents.
• It is helpful too for making documents.

Explanation

An operating system is system software that manages computer hardware, software resources, and provides common services for computer programs.

ایک آپریٹنگ سسٹم سسٹم سافٹ ویئر ہے جو کمپیوٹر ہارڈویئر، سافٹ ویئر کے وسائل کا انتظام کرتا ہے، اور کمپیوٹر پروگراموں کے لیے عام خدمات فراہم کرتا ہے۔

Explanation

Binary coded numbers are in the form of a series of 0s and 1s, also known as bits. 

A number represented in the base-2 numeral system.

It uses only the digits 0 and 1.

For example, (101)2 is a binary number.

Explanation

Every means each.

Every is a pronoun here.

We generally use singular verb with each and every.

Every worker was on duty means ہر کارکن ڈیوٹی پر تھا

Explanation

A worksheet consists of rows (horizontal) and columns (vertical) where data is entered into cells at their intersections.

Explanation

The Zulu are the largest ethnic group in South Africa, known for their rich cultural heritage.

They are primarily concentrated in the KwaZulu-Natal province.

Explanation

A bus is a high-speed internal connection that sends data and control signals between the processor and other components.

The amount of data a data bus can transfer is known as bandwidth. 

1. Data bus: A bidirectional communication path that transfers data between the CPU, memory, and input/output devices.
2. Address bus: Transmits the physical location (address) of data to be accessed or written by the CPU.
3. Control bus: Transfers control signals for coordinating the overall system's operation.

Explanation

• Minimum font size: 8
• Maximum font size: 72
• Standard font size: 12

• Ctrl + Shift + P is used to change the font size.
• To increase the font size, press Ctrl + ].
• To decrease the font size, press Ctrl + [.

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