1000+ Number System Questions and Answers Pdf - 2

Question: 6

What is a Byte?

Bytes are used to represent characters in a text. Different types of coding schemes are used to represent the character set and numbers. A collection of 8 bits is called as a byte. With 8 bits in a byte, we can represent 256 values ranging from 0 to 255.

Question: 7

Mention the kinds of data processed by the computer?

There are several kinds of data such as numeric, text, data, graphics, image, audio and video that need to be processed by a computer.

The text data consists of standard alphabetic, numeric and special characters.

The graphics data consists of still pictures such as drawings and photographs.

Any type of sound, including music and voice is considered as audio data.

Video data consists of motion pictures. The data has to be converted into a format that the computer understands.

Question: 8

What is a BIT?

A bit is small piece of data that is derived from the words ‘binary digit’. Bits have only two possible values 0 and 1. A binary number contains a sequence of 0s and 1s like 10111.

Question: 9

What is overflow rule?

If two numbers are added and if they are either positive or negative, then overflow occurs if and only if the result has the opposite sign.

Question: 10

How are data classified?

Data can be classified into two forms, analog and digital data.

Analog data can have any value within a defined range and it is continuous.

Digital data can be represented by a series of binary numbers and it is discrete.