Data Representation

Question 1

Bit

Answer 1

One binary digit, smallest unit of data in a digital computer system, can store one
value (0 or 1)

Question 2

Byte

Answer 2

A group of 8 bits

Question 3

ASCII

Answer 3

An international 7 or 8 bit coding scheme to represent keyboard characters

Question 4

UNICODE

Answer 4

is an international 16-bit coding scheme which can represent 216 different
characters.

Question 5

EBCDIC

Answer 5

(Extended Binary Coded Decimal Interchange Code ) is a binary code for alphabetic and numeric characters that IBM developed for its larger operating systems.

Question 6

Character set

Answer 6

The set of symbols that may be represented by a computer

Question 7

Primitive data

type

Answer 7

A data type provided by a programming language as a basic building block, integer, char, Boolean are examples

Question 8

Truncation error

Answer 8

The error resulted from the truncation process where digits are removed from the right hand side of a number.

Question 9

Rounding error

Answer 9

This is a method which tries to select a value nearest to the original value of the number by rounding up or down