Suggested Answers
Chapter 1
Things to do (page 5)
2 Examples which must be manual include: holiday brochures; guidebooks to the country/area; atlases/maps; encyclopaedias; geography textbooks 4 (a) (i) Any three sensible details such as: health problems/medication; name of parent/guardian; home telephone number; parent’s/guardian’s mobile/cell phone number; parent’s/guardian’s email address; parent/guardian work contact telephone number; options taken; form teacher (ii) You might have two pupils with the same surname and forename. The pupil number is a unique identifier in these situations. (b) The form should be laid out sensibly with important information first. The form should contain the fields listed in the question and also the three answers for part 4 (a)(i). (c) Teachers and administrative staff can immediately identify a pupil if they cannot remember their name.
Examination Questions (page 303)
1 (a) Any two from: • • • The interactive nature of multimedia makes lessons fun. They can have video, sound, graphics and photographs. A huge amount of information can be stored in a small space. For example, encyclopaedias consisting of many volumes can be stored on one or two CD-ROMs. (b) One from: • • • One computer is really needed for each pupil. The use of multimedia may discourage pupils from reading books. They hold a huge amount of data (video clips, sound, graphics, photographs and text), typically 650 Megabytes.
2 (a) Any two from:
Information Systems for you, Fourth Edition answers © Nelson Thornes Ltd 2011
1
• •
A couple of CD-ROMs can replace the contents of many traditional paper volumes. Searching CD-ROMs takes much less time.
(b) Any two from: graphics (still or animated), photographs, sound, video clips.
Chapter 2
Test Yourself (page 10)
A B C D E F G H hardware, software (or vice versa) programs backing quick GIGO information, searching peripheral microprocessor
Things to do (page 11)
1 (a) Keyboard (b) Floppy disk