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WorksheetsCSP U1 Digital Information
Total questions: 8
Worksheet time: 7mins
How many values can a bit store?
two values at a time
one of two values
one of ten values
ten values at a time
In the settings menu, what is the minimum number of bits needed to represent the options?
2
4
1
3
There are 32 bits in 4 bytes
True
False
A computer uses 4 bits to represent numbers, which of the following would result in overflow?
1 + 15
2 x 4
8 x 3
12 + 3
Which of the following can be represented using a byte with 2 bits for the fractional part?
0.5 + 0.1
16.5 x 3
1.5 + 7.25
1.2 + 0.05
How ASCII many characters are encoded in 0101101000110001
1
2
3
none
This could represent?
english characters
characters in any language
an image
sound
Which of these is the best description of analog data?
Data that varies between positive and negative values.
Data that changes smoothly over time.
Data that changes in discrete intervals over time.
Data that has been sampled by a computer.
