Computer | MCQs

Explanation

A scanner scans images, printed text, handwriting or an object and converts it to a digital image. 

Scanner is an input device. 

Scanner founder: Russell Kirsch

Russell Kirsch belongs to USA.

Explanation

Java programming was developed by James Gosling at Sun Microsystems in 1995.

James Gosling is well known as the father of Java. 2.

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The first version of Java was released: on 23 May 1995

Java Designed by: James Gosling (Canadian computer scientist)

Explanation

Hardware components in computing are the physical parts of a computer system.

Such as the motherboard, CPU, and memory.

They are tangible elements that you can physically touch and see.

Explanation

Data in any computer always stored and send in binary form.

Binary form means 1 and 0.

Explanation

 Pressing PRINT SCREEN captures an image of your entire screen and copies it to the Clipboard in your computer's memory.

You can then paste (CTRL+V) the image into a document, email message, or another file.

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Explanation

The Hewlett-Packard Company, commonly shortened to Hewlett-Packard or HP

Founded: July 2, 1939; 85 years ago

Founders: Bill Hewlett and David Packard

Defunct: November 1, 2015; 9 years ago

Headquarters: Palo Alto, California

Explanation

A common use of computer in office is for Word processing.

• Creating, editing, saving and printing documents.
• Copying, pasting, moving and deleting text within a document.
• Formatting text, such as font type, bolding, underlining or italicizing.

Explanation

The Internet is a global network that connects millions of computers and devices worldwide.

It allows users to share information, communicate, and access services across countries and continents.

Explanation

The CPU (Central Processing Unit) is the part of the computer that adds, compares, and processes data.

It includes components like the ALU (Arithmetic Logic Unit) and Control Unit that handle these tasks.

Explanation

Primary storage, also known as main storage or memory.

It is the area in a computer in which data is stored for quick access by the computer's processor.

The terms random access memory (RAM) and memory are often as synonyms for primary or main storage.