Algorithm and Flowchart

Question 1

Algorithm

Answer 1

It is a written list of step-by-step instructions for solving a problem that terminates after a finite number of steps.

Question 2

Flowchart

Answer 2

A graphic representation of the flow of code using different shapes and arrows.

Question 3

Give the 6 Properties of Algorithm

Answer 3

1. Finiteness
2. Absence of Ambiguity
3. Scope definition
4. Sequence of Execution
5. Effectiveness
6. Input and Output

Question 4

Finiteness

Answer 4

Has an exact number of steps to be taken and an end.

Question 5

Absence of Ambiguity

Answer 5

Every instruction is precisely described and clearly specified.

Question 6

Sequence of Execution

Answer 6

Program is executed from top to bottom.

Question 7

Input and Output

Answer 7

The unknowns of the problem is defined and there is an expected outcome.

Question 8

Effectiveness

Answer 8

The solution is guaranteed to give a correct answer and the specified instructions are carried out.

Question 9

Scope Definition

Answer 9

Applies to specific problem and class.

Question 10

5 steps in Program Development

Answer 10

1. State the problem clearly
2. Plan and write the logical order of instructions
3. Code the program
4. Enter the program into the computer
5. Run and debug the program

Question 11

A problem cannot be solved unless understood properly.

Answer 11

State the problem clearly

Question 12

The computer follows exactly the given instructions

Answer 12

Plan and write the logical order of instructions

Question 13

Write the programming statements in the desired language.

Answer 13

Code the program

Question 14

Type the statement into the computer

Answer 14

Enter the program into the computer

Question 15

Check if you got the desired output; correct the error if there’s any.

Answer 15

Run and debug the program

Question 16

Pseudocode

Answer 16

Written algorithm with the use of human language that is easier to control or modify.

Question 17

Terminal

Answer 17

For the start and end poinys of a program

Question 18

Initialization

Answer 18

Preparation of memory space for data processing and declaration of the constants

Question 19

Input/Output

Answer 19

Used for Input of data for processing and printing of the processed data (output ).

Question 20

Process

Answer 20

Manipulation of data (assignment and arithmeic computations)

Question 21

Flow lines

Answer 21

Defines the logical flow of sequence of the program.

Question 22

On-page connector

Answer 22

Connects to the flowchart on the same page to avoid spaghetti connection.

Question 23

Off-page connector

Answer 23

Connects to the flowchart on the next page to avoid spaghetti connection.

Question 24

Decision

Answer 24

For processing conditions using relational operators to filter data.

Question 25

while/end while

Answer 25

condition checked before loop

Question 26

repeat/until

Answer 26

condition checked after loop

Question 27

Flowchart Advantages

Answer 27

1. Standardized

2. Visual

Question 28

Pseudocode Advantages

Answer 28

1. Easy to modify
2. Can be made using a Word Processor
3. Implements structured concepts

Question 29

Flowchart Disadvantages

Answer 29

1. Hard to modify
2. Structured concepts are not implemented
3. Special software required

Question 30

Pseudocode Disadvantages

Answer 30

1. Not visual

2. Not a standard since it depends from company to company