Algorithms And Flowcharts

Topic Covered : Flow Chart Symbols, Basic algorithms/flowcharts for sequential processing, decision based processing and iterative processing. Some examples like: Exchanging values of two variables, summation of a set of numbers, Decimal Base to Binary Base conversion, Reversing digits of an integer, GCD (Greatest Common Divisor) of two numbers, Test whether a number is prime, factorial computation, Fibonacci sequence, Evaluate ‘sin x’ as sum of a series, Reverse order of elements of an array, Find largest number in an array, Print elements of upper triangular matrix, etc.

1. The _________ symbol is used at the beginning of a flow chart.

A) Circle

B) Rectangle

C) Diamond

D) None of these

Correct Answer: None of these

Explanation : The oval, or terminator symbol is used at the beginning of a flow chart.

2. What do the following symbols represent?

A) Decision

B) Initialization

C) Input/Output

D) None of Mentioned

Correct Answer: Decision

3. When an algorithm is written as a programming language, it becomes.

A) Flowchart

B) Program

C) Pseudo code

D) Syntax

Correct Answer: Program

4. In computer science, algorithm refers to a particular method used by a computer to solve a problem.

A) True

B) False

Correct Answer: True

Explanation : In computer science, algorithm refers to a particular method used by a computer to solve a problem. - True

5. Any algorithm is a program.

A) True

B) False

Correct Answer: False

6. _______ provides a pictorial representation of the given problem.

A) Algorithm

B) Flowchart

C) Pseudocode

D) All of these

Correct Answer: Flowchart

Explanation : Flowchart provides a pictorial representation of the given problem.

7. What is the symbol used for below in Python?

A) connector

B) input/output

C) decision

D) processing

Correct Answer: processing

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