Lesson 1.1: Data Representation

Question 1

The quantities, characters or symbols on which operation are performed by a computer, which may be stored and transmitted in the form of electrical signals and recorded on magnetic, optical or mechanical recording media.

Answer 1

Data

Question 2

Data arranged in a systematic way then it gets structure and become meaningful.

Answer 2

Information

Question 3

Data representation deals with the generalization of data in terms of _____? A _____ is a set.

Answer 3

Type

Question 4

The elements of a set are called the _____ of the type.

Answer 4

Value

Question 5

Is a representation of the logical relationship among individual elements of data.

Answer 5

Data structure

Question 6

The most common of all data structures and supports variable indexing of information.

Answer 6

Array

Question 7

Also considered as classic data structures.

Answer 7

Strings

Question 8

Basic building block of a data structure.

Answer 8

Node

Question 9

RAM?

Answer 9

Random-access memory

Question 10

It is volatile, meaning it can be erased and replaced with new information as often as needed.

Answer 10

Random-access memory (RAM)

Question 11

One _____ of memory consists of 1,024 bytes.

Answer 11

kilobyte. One megabyte consists of 1,024 kilobytes

Question 12

Is the fundamental unit of computer data storage.

Answer 12

byte

Question 13

What is the usage of RAM?

Answer 13

data storage