Data Types

Question 1

Array

Answer 1

Data structure used to store one or more rows of values that share the same data type

Question 2

ASCII

Answer 2

Simple character set that can represent 128 different characters

Question 3

Binary

Answer 3

Number system in base 2 that computers use to represent data and instructions

Question 4

Boolean

Answer 4

Data type that can only store one of two values

Question 5

Character

Answer 5

Data type that stores a single symbol

Question 6

Data Type

Answer 6

Property of a particular piece of data that specifies how the data should be treated

Question 7

Denary

Answer 7

Number system in base 10

Question 8

Floating Point

Answer 8

Data type that stores a decimal number

Question 9

Hash Table

Answer 9

Data structure that maps values to keys, where the key for a value is generated by applying an algorithm to that value

Question 10

Hexadecimal

Answer 10

Number system in base 16 where each digit represents four binary digits

Question 11

Integer

Answer 11

Data type that stores a whole number

Question 12

Linked List

Answer 12

List that uses pointers to refer to the location of other elements of the list, allowing it to be reordered without creating a new list

Question 13

List

Answer 13

Collection of data elements of the same data type

Question 14

Queue

Answer 14

Data structure where elements are removed in the order in which they are added

Question 15

Record

Answer 15

Data structure that permits a combination of different data types

Question 16

Sign and Magnitude Negative Binary

Answer 16

Signed binary that has a 0 added to the front if the value if positive, or a 1 added to the front if the value is negative

Question 17

Signed Binary

Answer 17

Binary values that can store both positive and negative values

Question 18

Stack

Answer 18

Data structure where only the most recently added element can be removed

Question 19

String

Answer 19

Data type that can store a series of characters

Question 20

Tuple

Answer 20

An ordered list of elements, used to store the data for each record in a database

Question 21

Two’s Complement Negative Binary

Answer 21

Signed binary that converts between negative and positive values by flipping all bits and adding 1

Question 22

Unicode

Answer 22

Industry-standard character set that can represent thousands of different characters

Question 23

Unsigned Binary

Answer 23

Binary values that can store only positive values