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OtisamLMS
Computing

Computing · Quick practice · answer shown after each question

Number bases and conversions

Question 1 of 10

Question 1 of 10

Explain why hexadecimal is used in computing and give three examples of where it is used.

Question 2 of 10

Question 2 of 10

The binary number 10111100₂ in hexadecimal is

Question 3 of 10

Question 3 of 10

The hexadecimal number 2F₁₆ in decimal is

Question 4 of 10

Question 4 of 10

The largest value that can be stored in one byte (unsigned) is

Question 5 of 10

Question 5 of 10

Each hexadecimal digit can be replaced by four binary digits.

Question 6 of 10

Question 6 of 10

One octal digit represents exactly

Question 7 of 10

Question 7 of 10

The hexadecimal number system has base

Question 8 of 10

Question 8 of 10

Hexadecimal is often used by programmers because it

Question 9 of 10

Question 9 of 10

Hexadecimal uses the letters A to F for values 10 to 15.

Question 10 of 10

Question 10 of 10

In hexadecimal, the digit B represents the decimal value

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