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Computer Basics

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Questions and Answers

What is the primary function of a MAC address?

To translate binary code to hexadecimal

To assign a unique IP address to a device

To perform logical shifts in a register

To uniquely identify a device on a network (correct)

What is the result of a calculation that produces a value too large for the computer's allocated word size?

Overflow error (correct)

Logical shift

ASCII code

Two's complement

What is the purpose of the left-most bit in a two's complement representation of a negative number?

To translate binary code to hexadecimal

To perform a logical shift

To represent the value –128 (correct)

To indicate the most significant bit

What is the primary function of HTML in the context of web pages?

To write protocols such as http(s) and assign colours using hexadecimal codes Signup and view all the answers

What is the character set that includes all characters on a standard keyboard and control codes?

ASCII code Signup and view all the answers

What is the primary purpose of the Unicode character set?

To represent all the languages of the world Signup and view all the answers

What is the result of zooming into a bitmap image?

Pixelation of the image Signup and view all the answers

What is the primary difference between lossy and lossless file compression?

The ability to restore the original file during decompression Signup and view all the answers

What is the unit of measurement for bandwidth?

Kilobits per second Signup and view all the answers

What is the purpose of audio compression in digital sound recording?

To reduce the size of the sound file Signup and view all the answers