(a) Explain two differences between an Algorithm and a Flowchart. (b) List three examples of utility programs. (c) Draw a flowchart of the stops to be used ...

Assessment: WAEC SSCE - Computer Studies - 2020 (Essay) Subject: Computer Studies

Question 1 Report

(a) Explain two differences between an Algorithm and a Flowchart.

(b) List three examples of utility programs.

(c) Draw a flowchart of the stops to be used in updating a customer's balance.

Answer Details

(a) Differences between an algorithm and a flowchart

AlgorithmFlowchart
It is a step-by-step set of instructions for solving a problem, usually written in plain English or pseudocode.It is a graphical or diagrammatic representation of the steps used to solve a problem.
It is text-based and does not require standard diagram symbols.It uses standard symbols, such as terminators, input/output parallelograms, process rectangles and decision diamonds, connected by flow lines.

(b) Examples of utility programs

  1. Anti-virus program.
  2. Disk defragmenter.
  3. Backup utility.

(c) Flowchart for updating a customer’s balance

The transaction type is entered as either Credit or Debit. A credit is added to the old balance, while a debit is subtracted.

figure
Flowchart showing the steps for updating a customer's balance.

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