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WorksheetsTopic 2 - Revision Quiz (4th)
Total questions: 20
Worksheet time: 21mins
Convert 11111111 to decimal
(a)
If a binary number ends with a 1 (least significant bit-LSB), it must be...
An odd number
An even number
A prime number
The number 12
Convert 65 to binary
(a)
In ASCII, the letter 't' is 1110100, what is the letter 'v' ?
(a)
Convert the Binary number 01110010 to a Hexadecimal code
(a)
Convert the Hexadecimal code 9F to a Binary number
(a)
what is -126 in two's complement?
(a)
Each sample of sound taken is a measure of what?
(a)
Convert the 8-bit two's complement number 0110 1111 to a denary number.
(a)
Add binary numbers shown?
(a)
the number of bits used to store a sound sample is called the...
(a)
How many characters does ASCII data set hold?
(a)
How many bits are used in (standard) ASCII?
(a)
Colour depth is the term used to describe .....
how many colours have been used to make the picture
how many colours in a pixel
none of these
the number of bits used to represent the colour of a pixel
How many colours can be represented in an image using an 8 bit colour depth?
(a)
The smallest addressable area of an image is called a ...
(a)
Original sound, like that of a vinyl record is...
(a)
A bitmap image of 10 by 10 pixels using 4 colours would have a file size of around:
(a)
Sound waves must be samples to create digital sound. A sample is...
a measure of amplitude at a point in time
the number of samples taken per second
the file size of an image
I want to create a character set to represent 30 different characters. How many bits would my character set need to use?
(a)
