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# Computer Fundamentals

Fundamentals of Computer Science and Engineering

## Describe positive and negative representations of numbers in computers.

Describe positive and negative representations of numbers in computers.

## What do you understand by data, information and code?

What do you understand by data, information and code?

## Briefly describe four popular number systems.

Briefly describe four popular number systems.

## Write down the digits for decimal, binary, octal and hexadecimal numbers.

Write down the digits for decimal, binary, octal and hexadecimal numbers.

## How can decimal numbers 625, 536, 0.326 and 1278 be expressed in expanded notations?

How can decimal numbers 625, 536, 0.326 and 1278 be expressed in expanded notations?

## Give two examples each for binary, octal and hexadecimal positive.

Give two examples each for binary, octal and hexadecimal positive.

## Give binary values for hexadecimal digits: A, F and 3

Give binary values for hexadecimal digits: A, F and 3.

## What are the bases of binary, decimal, octal and hexadecimal numbers?

What are the bases of binary, decimal, octal and hexadecimal numbers?