Skip to content
OtisamLMS
Sign in Sign up
Computing

Computing · Quick practice · answer shown after each question

Data representation

Question 1 of 10

Question 1 of 10

Convert the binary number 110110 to decimal.

Question 2 of 10

Question 2 of 10

How many different values can be stored in 8 bits?

Question 3 of 10

Question 3 of 10

In 8-bit two's complement, the range of integers is

Question 4 of 10

Question 4 of 10

Unicode was developed to

Question 5 of 10

Question 5 of 10

A sound sampled at 44.1 kHz with 16-bit samples in stereo for 1 minute needs about

Question 6 of 10

Question 6 of 10

Convert the binary fraction 0.101 to denary.

Question 7 of 10

Question 7 of 10

How many bits make up one byte?

Question 8 of 10

Question 8 of 10

In 8-bit two's complement, how is −1 written?

Question 9 of 10

Question 9 of 10

A colour image with 8 bits per pixel can show how many colours?

Question 10 of 10

Question 10 of 10

Lossy compression

Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.