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

In MS Word, by default file name is  Document 1.

File Name, Maximize, Minimize, Close, Quick Access Toolbar appear on Title Bar. 

Explanation

Move the cursor to the top of the next page. Ctrl+Page down

Move the cursor to the top of the previous page. Ctrl+Page up

Explanation

Ctrl + Z = Undo 

Ctrl + P = Print

Ctrl + Y = Redo

Ctrl + S = Save

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Explanation

• A new presentation can be created from a Blank presentation, from an existing presentation, or from a design template.
• **
• Open PowerPoint. In the left pane, select New. Select an option: To create a presentation from scratch, select Blank Presentation.
  

Explanation

To edit an embedded Excel worksheet's contents or resize in the future in Word,

you must return to editing mode.

 by double-clicking the embedded Excel worksheet object in the document to switch back to Excel.

Press and hold the Ctrl key on your keyboard.

Select the next worksheet you want in the group.

Explanation

When we open an Excel workbook, there are three sheets by default, and the default names on the tabs are:

 Sheet1

Sheet2

Sheet3

ND26-9-2023

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

A typical floppy disk can store up to 1.44 megabytes of data.

There are 3 types of Floppy:

1. 8 Inch floppy

2. Mini floppy

3. Micro floppy