Computer Science Quiz Topics 1 and 2

Can you explain the difference between the binary and denary systems?

Answer explanation

The binary system uses 0 and 1, while the denary system uses 0 to 9. Binary is base 2, denary is base 10.

Which binary number corresponds to the denary number 14?

What is the denary equivalent of the binary number 0101?

How many bits are there in 1GiB?

How many bytes are there in 1TiB?

How many bits are needed to represent a character’s ASCII code?

How many different characters can be represented in the ASCII character set?

How many bits are needed to represent a character’s Extended ASCII code?

Which character set only allow encoding of characters used in the English language?

Can you estimate the size of an image with a height of 510 pixels, a width of 402 pixels, and a colour depth of 16 bits?