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Computing

Computing · Quick practice · answer shown after each question

Number bases and conversions

Question 1 of 10

Question 1 of 10

The hexadecimal number 3A₁₆ in binary is

Question 2 of 10

Question 2 of 10

The decimal number 255 in hexadecimal is ___.

Question 3 of 10

Question 3 of 10

The hexadecimal number system has base

Question 4 of 10

Question 4 of 10

The octal number 17₈ in decimal is

Question 5 of 10

Question 5 of 10

Converting binary to octal is done by grouping bits in threes from the right.

Question 6 of 10

Question 6 of 10

Describe the method of converting a decimal number to binary by repeated division, using 37 as an example.

Question 7 of 10

Question 7 of 10

One octal digit represents exactly

Question 8 of 10

Question 8 of 10

The octal number system uses the digits

Question 9 of 10

Question 9 of 10

One hexadecimal digit represents exactly

Question 10 of 10

Question 10 of 10

The binary number 1001₂ in decimal is ___.

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