Theory question 102
Computer HardwarePaper 2, Section A: Short-structured questions
(a) Complete Table 1 with the appropriate criteria for each storage medium.
(b) List three examples of spreadsheet applications.
Show the model answer
Model answer
(a) (i) Hard disk – location: internal (inside the system unit).
(ii) Magnetic tape – location: external.
(iii) DVD-ROM – removable.
(iv) Hard disk – not removable (fixed).
(v) Magnetic tape – removable.
(vi) DVD-ROM – direct (random) access.
(vii) Magnetic tape – sequential (serial) access.
(b) Any three: Microsoft Excel; Lotus 1-2-3; Google Sheets; LibreOffice/OpenOffice Calc; VisiCalc; Apple Numbers.
Explanation
Tape is read in order (sequential); discs can jump to any file (direct).