data representation

what does ASCII stand for

• Angolan standard code for information interchange

• American standard code for information exchange

• American standard code for international interest

• American standard code for information interchange

how many numbers are dedicated to letters in the ASCII set

• 25

• 26

• 52

• 28

how many numerical symbols are there in the ASCII set

• 10

• 9

• 11

• 13

how many bits is ASCII?

• 6 bit

• 9 bit

• 7 bit

• 8 bit

whats 63 in hex

• 4B

• 3F

• 3A

• 4E

how many bits is unicode

• 16

• 64

• 128

• 32

why was unicode made

• to increase speed in a computer

• for more free space in the hard drive

• to represent foreign languages

• to vastly improve read and write speeds in tera phones

what are bitmap images made up of

• aspect elements

• pixels

• constituents

• melentrals

what colour is bitmap images

• black and grey

• red and white

• true colour

• black and white

how many colours does 8 bit colour displays represent

• 256

• 128

• 512

• 1024