data and information

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Description and Tags

20 Terms

1

Data

raw facts and figures with no meaning

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2

Information

data that has been processed and gives us knowledge

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3

ASCII

American Standard Code for Information Interchange - a code for representing characters in binary

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4

Binary Code

code made up from a series of binary digits 0 or 1

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5

Encoding

it is converting data into a machine understandable format

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6

Input

Capturing/entering data in to machine.

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7

Output

Results/Information produced once the data has been processed

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8

Bit

the smallest unit of data in a computer

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9

Byte

8 bits

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10

Nibble

Half a byte / 4 bits.

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11

Kilobyte (KB)

1024 bytes

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12

Megabyte (MB)

1024 kilobytes

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13

Gigabyte (GB)

1,024 megabytes

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14

Terabyte

1024 gigabytes

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15

Data Type

indicates the type of data that can be stored in a field

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16

Boolean data type

a variable that is either true or false

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17

String

A sequence of characters

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18

Integer

All whole numbers (both positive and negative) and zero.

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19

Real Number

contains a decimal point (both postive and negative)

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20

Character

each character contains 8 bits or 1 byte

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