SKEE1033 24251 chap1

What is a computer?

• A device to perform manual tasks

• A machine that computes and processes data

• A storage device for information

• A device only for storing files

What does programming refer to?

• The process of typing fast

• Describing the order of operations in a logical sequence

• Writing documents for computers

• Installing computer software

What is a computer program?

• A set of instructions for humans

• A list of sequences a computer follows to solve a problem

• A list of hardware requirements

• A tool for generating random data

What are the three phases of program development?

• Analysis, Testing, Execution

• Problem Solving, Implementation, Maintenance

• Design, Code, Debug

• Planning, Marketing, Selling

In the problem-solving phase, what is the first step?

• Develop a concrete solution

• Understand and define the problem

• Write the code

• Test the solution

What deos the implementation phase of program involve?

• Modifying the program

• Transferring the algorithm into a programming language

• Debugging the solution

• Defining the problem

What happens in the maintenance phase of program development?

• The program is tested

• The program is used and maintained

• The problem is analyzed

• The program is discarded

What is an algorithm?

• A random list of instructinos

• A written description of a logical sequence of actions

Which of the following is an example of an algorithm?

• Driving wihout direction

• Walking backward randomly

• Starting you car by following a set of steps

• Writing text without punctuation

What are the characteristics of a good algorithm?

• Ambiguity, infinite steps

• Clear instructions, finite steps, produces correct results

• Unclear instructions, inifinite results

• Only works in one programming language