O-LevelComputer ScienceHardware2210/11 · May/June 2015 · Q95 Marks

Draw a line to connect each question to the correct answer. [Table with two columns: Question and Answer. Each row contains a question in the left column and a potential answer in the right column.]

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Mark scheme

Marking points from the official mark scheme (May/June 2015). The mark or mark type is shown in brackets.

[1] What is the denary (base 10) equivalent to the hexadecimal digit E? -> 14
[1] If 1 GB = 2^x then what is the value of X? -> 30
[1] How many bits are there in one byte? -> 8
[1] If the broadband data download rate is 40 megabits per second, how long will it take to download a 60 MByte file? -> 12
[1] What is the denary (base 10) value of the binary number 00100100? -> 36
[1] What hexadecimal value is obtained when the two hexadecimal digits C and D are added together? -> 19
5/6 matches - 5 marks
4 matches – 4 marks
3 matches – 3 marks
2 matches – 2 marks
1 match – 1 mark

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Topic: Hardware, O-Level Computer Science (syllabus 2210). Structured question, 5 marks.
Source: O-Level Computer Science, May/June 2015 Paper 1 Variant 1, question 9.

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