Gce Ordinary Level/Sc (7010) Contents
UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS
GCE Ordinary Level
MARK SCHEME for the October/November 2007 question paper
7010 COMPUTER STUDIES
7010/01 Paper 1, maximum raw mark 100
This mark scheme is published as an aid to teachers and candidates, to indicate the requirements of the examination. It shows the basis on which Examiners were instructed to award marks. It does not indicate the details of the discussions that took place at an Examiners’ meeting before marking began. All Examiners are instructed that alternative correct answers and unexpected approaches in candidates’ scripts must be given marks that fairly reflect the relevant knowledge and skills demonstrated. Mark schemes must be read in conjunction with the question papers and the report on the examination.
•
CIE will not enter into discussions or correspondence in connection with these mark schemes.
CIE is publishing the mark schemes for the October/November 2007 question papers for most IGCSE, GCE Advanced Level and Advanced Subsidiary Level syllabuses and some Ordinary Level syllabuses.
Page 2 1 (a) byte
Mark Scheme GCE O LEVEL – October/November 2007
Syllabus 7010
Paper 01
any two points from: fixed number of bits/8 bits represents a character unit of memory/storage e.g. 11010001 (b) CD-ROM any two points from: (secondary/portable) storage medium can be read only (memory) cannot change data e.g. used to store programs/data/pictures/films, etc. (c) interrupt any two points from: a signal/request generated by a device/program causes a break in execution of a program/stops the program e.g. printer out of paper, pressing break key (d) buffer any two points from: temporary store/memory allows speed of CPU/devices to be matched to hold data being transferred between peripherals and CPU e.g. pages stored waiting to be printed (e) virtual reality any two points from: 3D world computer simulation needs special input devices to interact – (data) goggles/gloves e.g.
GCE Ordinary Level
MARK SCHEME for the October/November 2007 question paper
7010 COMPUTER STUDIES
7010/01 Paper 1, maximum raw mark 100
This mark scheme is published as an aid to teachers and candidates, to indicate the requirements of the examination. It shows the basis on which Examiners were instructed to award marks. It does not indicate the details of the discussions that took place at an Examiners’ meeting before marking began. All Examiners are instructed that alternative correct answers and unexpected approaches in candidates’ scripts must be given marks that fairly reflect the relevant knowledge and skills demonstrated. Mark schemes must be read in conjunction with the question papers and the report on the examination.
•
CIE will not enter into discussions or correspondence in connection with these mark schemes.
CIE is publishing the mark schemes for the October/November 2007 question papers for most IGCSE, GCE Advanced Level and Advanced Subsidiary Level syllabuses and some Ordinary Level syllabuses.
Page 2 1 (a) byte
Mark Scheme GCE O LEVEL – October/November 2007
Syllabus 7010
Paper 01
any two points from: fixed number of bits/8 bits represents a character unit of memory/storage e.g. 11010001 (b) CD-ROM any two points from: (secondary/portable) storage medium can be read only (memory) cannot change data e.g. used to store programs/data/pictures/films, etc. (c) interrupt any two points from: a signal/request generated by a device/program causes a break in execution of a program/stops the program e.g. printer out of paper, pressing break key (d) buffer any two points from: temporary store/memory allows speed of CPU/devices to be matched to hold data being transferred between peripherals and CPU e.g. pages stored waiting to be printed (e) virtual reality any two points from: 3D world computer simulation needs special input devices to interact – (data) goggles/gloves e.g.