Quick questions on Number bases and conversion explained: H2 Computing

4short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is place value in any base?

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In any base

b

, the digit in the column

i

places from the right is worth that digit times

b^i

. In binary the columns are powers of two:

What is q1?

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Convert

0xB3

to denary. [2 marks]

What is q2?

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Convert

156

to 8-bit binary. [2 marks]

What is q3?

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Add

00111111_2

and

00000001_2

and state the result in binary. [2 marks]

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