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Computers
9th -
10thgrade
IGCSE Computer Science - Chapter 9: Problem-Solving and Design
10 questions
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- 1. Multiple Choice
A COMPUTER SYSTEM is made up of software, data, hardware, communications and .............;
People
Administrator
Operating System
Manager
- 2. Multiple Choice
.................. ................... is the breaking down of a computer system into a set of sub-systems, then breaking each sub-system down into a set of smaller sub-systems, until each sub-system just performs a single action.
Structure diagrams
Pseudocode
Flowcharts
Top-Down Design
- 3. Multiple Choice
.................. ................... shows the design of a computer system in a hierarchical way, with each level giving a more detailed breakdown of the system into sub-systems.
Structure diagrams
Pseudocode
Flowcharts
Top-Down Design
- 4. Multiple Choice
.............................. shows diagrammatically the steps required for a task (sub-system) and the order that they are to be performed. These steps together with the order are
called an ALGORITHM.
Structure diagrams
Pseudocode
Flowcharts
Top-Down Design
- 5. Multiple Choice
........................... is a simple method of showing an algorithm, using English-like words and mathematical operators that are set out to look like a program.
Structure diagrams
Pseudocode
Flowcharts
Top-Down Design
- 6. Multiple Choice
If "num1=6" and "num2=9"
What is the output?
Num1 is largest
Num2 is largest
6 is largest
9 is largest
- 7. Multiple Choice
If "Num1 = 3" and "Num2 = 5"
What is the output?
PRINT Num2 is largest
5 is largest
ELSE PRINT 5 is largest
PRINT 5 is largest
- 8. Multiple Choice
Which one of the following is not a TEST DATA?
Big Data
Erroneous or Abnormal Data
Extreme Data
Boundary Data
- 9. Multiple Choice
Testing also needs to be done to prove that the solution does not give incorrect results. In order to do this, test data should be used that will be rejected as the values are not suitable.
Normal Data
Erroneous or Abnormal Data
Extreme Data
Boundary Data
- 10. Multiple Choice
This is used to establish where the largest and smallest values occur. It has 2 inputs
Normal Data
Erroneous or Abnormal Data
Extreme Data
Boundary Data
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