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11th Computer Science Weekly Test -1 ( Specification and Abstraction )

MABS Institution

11th Computer Science Weekly Test -1 ( Specification and Abstraction )-Aug 2020

Time : 1.30 Hours

Part - A

Multiple Choice Question - Answer All Question

Which one of the following is not a building block of algorithm __________.

data
state
variables
functions

Which of the following statement is used to alter the normal flow of control?

Sequential control flow
Alternative control flow
Iterative control flow
all of these

Computational processes in the real world have

behaviour
Statements
state
procedure

If the variable already has a value, and you are assigning a new value, what will happen to the old variable?

retained
added
lost
becomes 0

____________________how many control flow statement are there to alter the control flow depending on the state?

5
6
3
8

Which of the following statement is true?

Computational processes the state can not changes
As a process evolves, the state can not changes.
Variables are not named boxes for storing data
Assignment statement is used to store the value of variable.

Which of the following not used to construct algorithm?

Data
Process
Control flow
Functions

In which one of the control flow statements, if the condition is false, then alternative statement will be executed__________.

Sequential
iterative
selection
alternative

The right side of an assignment can be?

a value
a variable
an expression
anyone of these

In computers, operations on data performed by

instructions
program
process
all of these

Part - B

Generic 2 - Answer All Question

Define an algorithm.

Write the basic building blocks of algorithms.
Distinguish between an algorithm and a process

Define State.

What is a state?

Part - C

Generic 3 - Answer All Question

Write a note on the parts of specification of an algorithm.

What does the specification abstracts in an algorithm?

Define the input-output relationship between the designer and user of the algorithm.
Name the basic principles and techniques for designing algorithms

Differentiate state and functions of an algorithm.

Part - D

Generic 5 - Answer All Question

Explain the specification format.

Explain the three control flow statement.

Explain the types of control flow statements.

Explain how will you design algorithms.
Explain building blocks of algorithm

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