(a) Draw one line from each binary value to its equivalent (same) value on the right. (i) Perform the following binary addition. Show your working. pseudocode 10101010 + 00110111 (ii) State how an overflow can occur when adding two binary integers. (c) Convert the hexadecimal value F0 into denary.

Computer Science 9618/11 — October/November 2021

Cambridge AS Level · Theory Fundamentals · worked solutions for every part, with the mark scheme

questions

marks

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Topics Information Representation · Security, Privacy and Data Integrity · Hardware · Ethics and Ownership · System Software · Databases · +2 more

Q1Information RepresentationFree sample

(a)

Draw one line from each binary value to its equivalent (same) value on the right.

Fig. 1.1

(b)

(i)

Perform the following binary addition. Show your working.

  10101010
+ 00110111

(ii)

State how an overflow can occur when adding two binary integers.

(c)

Convert the hexadecimal value F0 into denary.

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