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11th Computer Science Weekly Test -3 ( Composition and Decomposition )

MABS Institution

11th Computer Science Weekly Test -3 ( Composition and Decomposition )-Aug 2020

Time : 1.00 Hours

Part - A

Multiple Choice Question - Answer All Question

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

A condition is contained in a diamond shaped box with _________ outgoing arrows.

2
3
4
5

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

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

A _________ statement is composed of a sequence of statements.

iterative
conditional
sequential
alternative

Statements composed of other statements are known as ___________

Assignments Statement
Expression
Arithmetic Statement
Compound Statement

Which statement executes the same action repeatedly?

Sequential
Conditional
Iterative
All of these

Which one of the following is the elementary problem solving techniques?

Specification
Abstraction
Composition
decomposition

Which notation is similar to programming languages?

Pseudo code
Flowchart
Statements
Decomposition

The triangle is right-angled, if_________ .

C =a-b
c²=a²+b²
c²=(a+b)²
c²=a²-b²

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

Sequential
Alternative
Iterative
All of these

Which of the following control flow statements executes in order?

Sequential
Alternative
Iterative
An of these

Which notation shows the algorithm in a visual manner?

Flowchart
Pseudo code
Programming language
Natural language

Which translates the program into executable instruction?

complier
Interpreter
linker
none of these

How many outgoing arrows are labeled in flowchart diamond shaped box?

2
4
1
0

Which of the following is not a programming language?

C
C++
Ms-office
Python

Case analysis splits the problem into _______ number of cases.

2
3
4
many

After an algorithmic problem is decomposed into subproblems, we can abstract the subproblems as ________ _.

refinement
pseudo-code
decomposition
functions

Which of the following involves breaking down a problem into smaller and more manageable problems?

Specification
Abstraction
decomposition
composition

Identify the correct statements
(i) Pseudo code uses natural English for statements and conditions.
(ii) Pseudo code notation is formal one.
(iii) There is no need to follow the rules of the Programming language grammer
(iv) It must be rigorous and correct.

(i) (ii) (iii)
(ii) (iii) (iv)
(i) (iii) (iv)
(i) (ii) (iii) (iv)

How many outgoing arrows are needed for rectangular boxes in flow chart?

0
1
2
3

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

Pseudo code
Flowchart
Composition
functions

The notation for representing algorithms __________

Pseudo code
Programming language
Composition
Flow chart

Which one of the following notations will be executed by computers?

Flow chart
Pseudocode
Programming languages
Compiler

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

rectangular
diamond shaped boxes
arrows
parallelogram boxes

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 translation will not happened by the error

logical
runtime
grammar
all of these

If C is true, S1 is executed in both the flowcharts, but S2 is executed in

(1) only
(2) only
both (1) and (2)
neither (1) nor (2)

__________ is a diagrammatic notation for representing algorithms.

Pseudo code
Flowchart
Program
Languages

Which one of the following is odd?

Python
C++
C
Ctrl + S

Which one of the following algorithmic notation is used for giving visual intuition of control flow?

Flow chart
Programming languages
Pseudo code
Compiler

If C1 is false and C2 is true, the compound statement
1 if CI
2 SI
3 else
4 if C2
5 S2
6 else
7 S3
executes

S1
S2
S3
none

Which of the following is one of the elementary problem-solving Techniques?

Decomposition
Control flow
Functions
State

Which one of the following algorithmic notation is used for communication among people?

Flow chart
Pseudo code
PL
Interpreter

Which notation is not formal nor exact?

Flowchart
Programming language
Pseudo code
None of these

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

Flowchart
Pseudo code
English language
all of these

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