GCSE AQA CS - 03 Data Representation

A relatively simple character set that can represent 128 different characters

• ASCII
• UNCOMPRESSED
• SAMPLE RESOLUTION
• VDU
• SAMPLE RATE

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

• BINARY
• ASCII
• UNCOMPRESSED
• SAMPLE RESOLUTION
• VDU

The name for a single 0 or 1 in binary

• BIT
• BINARY
• ASCII
• UNCOMPRESSED
• SAMPLE RESOLUTION

255 is the maximum positive integer that can be represented by this binary unit.

• BYTE
• BIT
• BINARY
• ASCII
• UNCOMPRESSED

Number system in base 10

• DENARY
• BYTE
• BIT
• BINARY
• ASCII

Binary unit consisting of 1,000 megabytes

• GIGABYTE
• DENARY
• BYTE
• BIT
• BINARY

Number system in base 16 that can be easily converted into binary

• HEXADECIMAL
• GIGABYTE
• DENARY
• BYTE
• BIT

Binary unit consisting of 1,000 bytes

• KILOBYTE
• HEXADECIMAL
• GIGABYTE
• DENARY
• BYTE

1,000 kilobytes, or 1/1,000 of a gigabyte

• MEGABYTE
• KILOBYTE
• HEXADECIMAL
• GIGABYTE
• DENARY

The number of unique digits available in any given number system allows you to identify its...

• NUMBER BASE
• MEGABYTE
• KILOBYTE
• HEXADECIMAL
• GIGABYTE