Computer systems

What is the first phase in solving a programming problem?

• Designing the solution

• Writing the code

• Understanding the problem

• Testing the program

What does a specification requirement include?

• A detailed plan of the program

• A list of programming languages

• A diagram of the user interface

• A clear, detailed description of what the program will do

Which approach is mentioned for developing a program solution?

• Bottom-up approach

• Top-down approach

• Linear approach

• Circular approach

What tool can be used to visualize the design of a program?

• Flow chart

• Pseudocode

• Structure diagram

• Algorithm

What must an algorithm have?

• A user interface

• At least 10 steps

• A definite beginning and end

• A loop

What is pseudocode?

• A programming language

• A type of algorithm

• A halfway stage between a flow chart and actual programming code

• A computer virus

What shape in a flow chart represents a decision?

• Rectangle

• Diamond

• Circle

• Triangle

What is the purpose of testing an algorithm with some input data?

• To design the algorithm

• To understand the problem

• To check that it works in different situations

• To make the algorithm longer

What does a flow chart contain?

• Only start and end points

• Boxes that show the various steps to be followed

• A detailed description of the program

• A list of programming languages used

What will the output of the algorithm be if the values of the inputs are a=5 and b=3?

• 8

• 15

• 125

• 20