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11th Computer Science Monthly Test -1 ( Composition and Decomposition )

MABS Institution

11th Computer Science Monthly Test -1 ( Composition and Decomposition )-Aug 2020

Time : 2.30 Hours

Part - A

Multiple Choice Question - Answer All Question

Which of the following control flow statements executes in order?

Sequential
Alternative
Iterative
An of these

Which of the following is (are) a control flow statements?

Sequential
Alternative
Iterative
All of these

If C S is a ___________ variant of alternative statement

iterative
assignment
control flow
conditional

Which flowchart symbol represents start and end of execution?

Identify the correct statement from.the following?

Pseudo code can be executed by the computer directly
Pseudo code cannot be executed by the computer directly.
Algorithm cannot be expressed in Pseudo code
Algorithm are written only for python language

If C is false just before the loop, the control flows through
1 SI
2 while C
3 S2
4 S3

S1 ; S3
S 1 ; S2 ; S3
S 1 ; S2 ; S2 ; S3
S 1 ; S2 ; S2 ; S2 ; S3

The symbol used for representing the box to be executed next is ____________.

\(\Rightarrow\)
\(\Downarrow \)
\(\downarrow\)
++

In the flowchart, the control flow of the algorithm represented by

rectangular
diamond shaped boxes
arrows
parallelogram boxes

Which of the following is the most widely used notation to represent algorithms?

Flowchart
Pseudo code
English language
all of these

Which of following is a mix of programming language in an English language?

Pseudo code
Flowchart
Composition
functions

Part - B

Generic 2 - Answer All Question

Write the algorithm specification to find minimum of 2 numbers.

How do we refine a statement?

What is a Pseudocode?

What is the difference between an algorithm and a program?
What is meant by Decomposition?

Both conditional statement and iterative statement have a condition and a statement. How do they differ?

What is a Flow-chart?

What is a Programming Language?

Define a Function.

When a condition statement will be executed?

Part - C

Generic 3 - Answer All Question

Wite a note on alternative statement?

Draw a flowchart that depicts iterative control flow.

Draw a flowchart for -3case analysis using alternative statements.

Define a function to double a number in two different ways:
(1) n + n,
(2) 2 x n.

For the given two flowcharts write the pseudo code
Construct an iterative algorithm to compute the quotient and remainder after dividing an integer A by another integer B.

What are the disadvantage of using flowchart?

Draw a flowchart for alternative control flow.

Write a algorithm compare such that compare

Name the three control flow statement.

Part - D

Generic 5 - Answer All Question

Draw the flowchart for Eat breakfast.

Exchange the contents: Given two glasses marked A and B. Glass A is full of apple drink and glass B is full of grape drink. Write the specification for exchanging the contents of glasses A and B, and write a sequence of assignments to satisfy the specification.

Trace the step-by-step execution of the algorithm for factorial(4). factorial(n)
--inputs: n is an integer, n > 0
-- outputs: f = n!
f, i := 1 ,1 while i < n
f, i := f X i, i1+

Construct an iterative algorithm to find quotient and remainder of two integer division.

Explain the three notations for representing algorithms.

Explain Refinement in detail with example.
Write a note on case analysis.

Explain case analysis in detail with an example.

Circulate the contents: Write the specification and construct an algorithm to circulate the contents of the variables A, B and C as shown below: The arrows indicate that B gets the value of A, C gets the value of B and A gets the value of C.

Explain various symbols in Flow chart,

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