Year 10 - Prevision Quiz

Match the following so they are related in some way

• Integer values such as whole numbers

• Two's Compliment

• The MSB HAS an effect + or -

• Denary

• Multiple of 16 and Remainder

• MSB

• The MSB has NO effect + or -

• Unsigned Binary

• The furthest left bit of a binary value

• Hexadecimal

Organize these options into the right categories

Groups:

(a) Lossless

,

(b) Lossy

• Reversible

• No data removed

• Used on text documents

• Data is removed

• Irreversible

• Can get original back

• Uses RLE pattern

• Can't get original back

• Used on images

Display denary 74 as 8 bit Two's Compliment binary

Display denary -38 as 8 bit Two's Compliment binary

Display denary 74 as Hexadecimal

Display the binary

1 0 1 0 1 0 1 0

as Hexadecimal

Organize these options into the right categories

Groups:

(a) ASCII

,

(b) Extended ASCII

,

(c) Unicode

• 65,535 characters

• 128 Characters

• 16 bits used

• 8 bits used

• 256 characters

• 7 bits used

Match the following bit depth facts

• 2 Colours

• 3 bit

• 4 Colours

• 4 bit

• 16 Colours

• 1 bit

• 8 Colours

• 2 bit

Match the following errors with their meaning

• Code will run, output is incorrect

• Run Time

• Code will run, encounters an issue

• Logic

• Code will not run, it can't run

• Syntax

Reorder the following from smallest to largest

• mebibyte

• byte

• kibibyte

• bit

• nibble