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WorksheetsY9 representation 3 lower
Total questions: 10
Worksheet time: 15mins
What is 11100001 in denary/decimal?
255
225
215
205
What is 40 in binary?
00101000
00100100
00011111
01000100
What would the answer be for a binary left shift 1?
82
40
44
60
What would be the answer to a binary right shift 2?
5
10
15
20
How many colours can you represent with a 4-bit image?
4
8
16
32
The normal ASCII code (not including the extended 128 characters) can represent how many characters?
55
128
64
127
Convert 220 into hex. The answer is ?
CD
DC
3C
D3
A bubble sort?
Compares two numbers and sends the lowest number to the end each pass through
Inserts a number straight into position in a list
Compares two numbers and sends the highest number nearer to the right each pass through
Looks at the number to the right and sorts itself
This truth table would be for a?
OR gate
AND gate
NOT gate
This truth table would be for a?
OR gate
AND gate
NOT gate
