2021 WAEC Data Processing Theory (a) Complete Table 1 wih the appropriate criteria for each medium.        ...

2021 WAEC Data Processing Theory (a) Complete Table 1 wih the appropriate criteria for each medium. ...

WAEC 2021

(a) Complete Table 1 wih the appropriate criteria for each medium.

Table 1

Criteria/Medium	DVD-ROM	Hard Disk	Magnetic Tape
Location of storage media	External	(i) _________ _________	(ii) __________ __________
Removability	(iii) __________ __________	(iv) __________ ___________	(v) ___________ ____________
Method file Access	(vi) __________ __________	Random/Direct Access	(vii) ___________ ___________

(b) List three examples of spreadsheet application.

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Explanation

Criteria/Medium	DVD-ROM	Hard Disk	Magnetic Tape
Location of storage media	External	Internal	External
Removability	Removable	Not Removable	Removable
Method file Access	Indirect Access	Random/Direct Access	Indirect Access

(b) Examples of spreadsheet applications: (i) Google sheet (ii) Lotus symphony (iii) Microsoft Excel (iv) Apple numbers (iwork numbers) (v) Libre office --> Calc (vi) Open office (vii) VisiCalc (vii) Lotus 1-2-3

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