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Hardware, Memory & Number Systems

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high importance7 formulas⚡ 14 shortcuts6 subtopics

Exam-level questions worked step by step. Try each one yourself first — then expand the solution and compare routes.

Q1.

What is the decimal equivalent of the binary number 1011011?

Q2.

The decimal number 58 in binary is:

Q3.

The octal equivalent of the binary number 11010111 is:

Q4.

How many megabytes are there in 4 GB (exam convention)?

Q5.

Which of the following devices reads the characters printed at the bottom of bank cheques using magnetic ink?

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