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GCSE Computing > Number Representation > Flashcards

Flashcards in Number Representation Deck (14)
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1

What numbers make up binary?

0's and 1's

2

How do processor's handle instructions?

As binary codes

3

What is a bit?

A 1 or 0

4

What is a nibble?

4 bits

5

What is a byte?

8 bits, or 2 nibbles

6

What is the maximum number a binary chart goes up to?

128

7

What is the largest number the binary chart can make?

255

8

What are the 2 main coding systems that provide conversations of keyboard characters into binary?

ASCII and UNICODE

9

What is ASCII?

American Standard Code for Information Interchange

10

What does ASCII use to provide 256 characters?

8 bit code

11

Where can we see use of UNICODE?

UNICODE Consortium for emojis

12

What are the 3 types of number conversions?

Hexadecimal, denary and binary

13

What base does hex use?

Base 16

14

How do we represent 12 in hex?

C