Assessment Test-1 Computer/IT (MCQs)

Laser beam technology is used in one of the following:

(A) Mouse
(B) Monitors
(C) Optical disks
(D) Magnetic disks

Check Answer

(C) Optical disks

Explanation

Optical Disks like CDs and DVDs and Blu-ray: These things use a laser beam to read the information and a stronger laser beam to write the information, on Optical Disks by making tiny holes and flat areas on the surface of Optical Disks.

Which one of the following does not belong to the common classifications of computers?

(A) Workstations
(B) Mainframe
(C) Micro computer
(D) Personal computers

Check Answer

(C) Micro computer

Explanation

The term Microcomputer is an older classification often used interchangeably with Personal Computer (PC). Modern classifications of computers typically include Workstations, Mainframes, and Personal Computers, so “Microcomputer” is considered outdated in formal classification.

In 1996 Hotmail was started by Jack Smith and _____.

(A) Shawn Fanning
(B) Sabeer Bhatia
(C) Rey Tominson
(D) Ada Byron

Check Answer

(B) Sabeer Bhatia

Explanation

In 1996 Hotmail was started by Jack Smith and Sabeer Bhatia. This was one of the times people could use the internet to get their email.

They could do this from any computer that was connected to the internet. This was a big deal back then.

Hotmail made it possible for people to get their email from anywhere. This was an idea and it changed the way people used email.

Before Hotmail people had to use programs on their computers to get their email.

Hotmail made email easier to use and more accessible. It paved the way for web-based email services, like it.

Hotmail was a part of making email what it is today.

What refers to a sequence of operations performed by software and hardware?

(A) Linear task
(B) Logic
(C) License
(D) Ascending mode

Check Answer

(B) Logic

Explanation

In computing the thing that really matters is logic. Logic is what decides the order of things that the computer does. It is like a set of steps that the software and hardware follow to do their jobs. They use logic to look at the information they have and make decisions about what to do with it. This helps them get things done. Some people might think of things like doing tasks one after another or getting permission to use something.. These things are not really what logic is about in computing. Logic is, about how the computer makes decisions and does things in the right order.

What does ‘DPI’ mean?

(A) Display Per Inch
(B) Dots Per Inch
(C) Digital Printing Interaction
(D) Dots Printing Interaction

Check Answer

(B) Dots Per Inch

Explanation

Definition: DPI measures how tiny dots a printer can print in one inch. It helps tell us how clear a printed picture will look. The more dots a printer can print the clearer the picture will be.

Purpose: When a printer has a DPI it can print very clear and detailed pictures. You will get lines and more details in your printed images.

Print Standard: Most people agree that 300 DPI is good enough for high-quality printing. This is a measure for clear printing.

Context: Some people get DPI and PPI mixed up. DPI is for printing while PPI is, for computer screens. DPI tells us about printer resolution and PPI tells us about screen resolution.

The World Wide Web was first introduced to the public in:

(A) 1990
(B) 1991
(C) 1993
(D) 1995

Check Answer

(B) 1991

Explanation

The World Wide Web was first shown to people on August 6, 1991. This is when Tim Berners-Lee wrote about the World Wide Web project, on some internet groups. The World Wide Web was now open for everyone to use on the internet. People who were not working at the CERN laboratory could start using the World Wide Web technology.

Which shortcut key is used to save document?

(A) Ctrl + A
(B) Ctrl + B
(C) Ctrl + S
(D) Ctrl + Z

Check Answer

(C) Ctrl + S

Explanation

In Microsoft Word you can save a document fast by using Ctrl + S. This way all your changes are stored without having to click Save.

Ctrl + A to select all the content, in your document

Ctrl + B to make selected text bold

Ctrl + Z to undo your last action

Using Microsoft Word and these shortcuts makes working with documents easier.

What does ‘USB’ stand for?

(A) Universal Serial Bus
(B) Universal Storage Bank
(C) Unique Storage Bus
(D) Uniform Storage Bus

Check Answer

(A) Universal Serial Bus

Explanation

Universal: This means the technology works with devices, like keyboards, mice and printers.

Serial: This is a way of sending data one bit at a time through one wire or channel.

Bus: The bus is, like a road that connects devices to the computer.

The program that contains instructions to operates a device is called:

(A) Device operator
(B) Device driver
(C) Device linking
(D) Device system

Check Answer

(B) Device driver

Explanation

A device driver is a kind of software that helps the operating system talk to a hardware device. It is like a translator that changes what the operating system says into something the hardware device can understand. The operating system needs a device driver to work with things, like printers, keyboards and graphics cards. Without the right device driver the computer will not be able to use these devices. The device driver is very important because it helps the operating system and the hardware device work together.

Which shortcut key is used in MS-Word to bold the selected text?

(A) Ctrl + A
(B) Ctrl + B
(C) Ctrl + D
(D) Ctrl + Y

Check Answer

(B) Ctrl + B

Explanation

Ctrl + A selects all text and items in the document.

Ctrl + B applies or removes bold formatting.

Ctrl + D opens the font dialog box for font settings.

Ctrl + Y repeats the most recent action taken.

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Assessment Test-1 Computer/IT (MCQs)

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