Explanation

A trackball is a pointing device where the ball is held in place by a socket, allowing users to rotate the ball to move the cursor on the screen.

Unlike a traditional mouse, which moves over a surface, a trackball stays stationary, and the ball's rotation controls the cursor's movement in different directions.

Explanation

A thesaurus or synonym dictionary is a reference work for finding synonyms and sometimes antonyms of words.

Explanation

1 TB equals 1,000 gigabytes  or 1,000,000 megabytes (MB).

Individual external hard drives often start at 1 TB of storage, with options that go up to 4 TB.

Explanation

Explanation

Explanation

• The World Wide Web is all the resources and users on the internet that are using the Hypertext Transfer Protocol (HTTP).
• World Wide Web was created by Timothy Berners Lee in 1989 in CERN in Geneva.

Explanation

The three most common file formats for graphics used on the web: JPG, GIF, and PNG.

Explanation

The process of connecting to an internet account is called Log in.

It involves entering your credentials to access the account.

Log out refers to the process of disconnecting from your account, ending your session.

Explanation

The Input Unit converts the data, which the user enters into a language which the computer understands, i.e. it converts the data into binary format.

The Output Unit is responsible for giving the results in user- understandable format.

Explanation

In computing, replace is a command that is used to replace one or more existing computer files or add new files to a target directory.

Files with a hidden or system attribute set cannot be replaced using replace.

The command lists all files that are replaced.