Programming Fundamentals MCQs with Answers

Computer Progam

A program is a set of_________ .

(a) Languages
(b) Tasks
(c) Instructions
(d) Problems


(c) Instructions

A program must be written in Some programming languages for________.

(a) Solution
(b) Execution
(c) resolution
(d) decleration


(b) Execution

Computer has no_____ .

(a) Hardware
(b) Software
(c) IQ
(d) Hard disk


(c) IQ

For every single task we have to _______ Computer.

(a) Build
(b) Teach
(c) instruct
(d) Costruct


(c) instruct

Languages

Computer has ______levels of languages.

(a) 1
(b) 2
(c) 3
(d) 4


(c) 3

These are:

(a) Low level language
(b) Middle level language
(c) High level language
(d) all of these


(d) all of these

Low level language

Low level languages is a _________level language

(a) Human
(b) machine
(c) other
(d) both


(b) machine

In low level language instruction given to the computers in the form of:l

(a) octal
(b) binary
(c) hexa
(d) decimal


(b) binary

This type of level is so_________

(a) Easy
(b) normal
(c) difficult
(d) none


(c) difficult

Error finding in low level language is also very:

(a) Normal
(b) complicated
(c) easy
(d) all of these


(b) complicated

Middle level language

In middle level languages instructions are given in:

(a) Numbers
(b) English words & symbols
(c) different languages
(d) none


(b) English words & symbols

It is easy to ________&________:

(a) Implement
(b) Execute write & understand
(c) Both (a) and (b)
(d) only a


(b) Execute write & understand

Translator used here is

(a) Assembler
(b) interpreter
(c) both
(d) none


(a) Assembler

If we write a program in middle level language, then we need to_______for further use

(a) Translate
(b) finish
(c) destroy
(d) none


(a) Translate

Assembly level language store data in

(a) Unit
(b) computer register
(c) other
(d) none


(b) computer register

Register are different of different

(a) Units
(b) computers
(c) both
(d) none


(b) computers

Due to the above statement program is not_____

(a) Easy
(b) difficult
(c) portable
(d) all of these


(c) portable

High level language

High level languages are good for_______

(a) Humans
(b) computers
(c) both
(d) none


(a) Humans

High level languages are not directly understandable by the:

(a) Humans
(b) Computers
(c) both
(d) none


(b) Computers

These languages are

(a) Independent
(b) dependent
(c) both
(d) none


(a) Independent

Which of these are high level Language/languages:

(a) C++
(b) Java
(c) Fortran
(d) all of these


(d) all of these

Translator

Translator is a________

(a) Hardware
(b) software
(c) both
(d) none


(b) software

Translator is used to translate

(a) low level language to high level language
(b) high level language to low level language
(c) both a & b
(d) none


(b) high level language to low level language

Types of translators are:

(a) 1
(b) 2
(c) 3
(d) 4


(c) 3

Which of the following is not the type of translator

(a) Compiler
(b) Converter
(c) interpreter
(d) assembler


(b) Converter

Compiler are used to convert the program from

(a) Low level to high level
(b) High level to low level
(c) Both
(d) None


(b) High level to low level

The program which is written in high level language is known as:

(a) Object program
(b) source program
(c) both
(d) none


(b) source program

The corresponding machine level language program is called:

(a) Object program
(b) source program
(c) a & b
(d) none


(a) Object program

Compiler read the program

(a) line by line
(b) At a time
(c) normally
(d) none


(b) At a time

Interpreter reads:

(a) Only a line
(b) at once
(c) next to
(d) after that


(a) Only a line

Mostly high level languages now considered to

(a) Compiler
(b) interpreter
(c) assembler
(d) all of these


(a) Compiler

Steps in learning C

(a) Alphabets, digits, special symbols
(b) Constants, variables, keywords
(c) Instructions
(d) Program


(a) Alphabets, digits, special symbols

Types of Instructions

Basic types of instructions are

(a) 1
(b) 2
(c) 3
(d) 4


(d) 4

These are:

(a) Type declaration instruction & Arithmetic instruction
(b) Input/output instruction
(c) Control instruction
(d) All of these


(d) All of these

Type declaration instruction

Data before & after processing goes to the:

(a) Hardware
(b) software
(c) memory
(d) none


(c) memory

Different types of data require_______memory space.

(a) Same
(b) different
(c) matching
(d) both a & c


(b) different

Integer (Int) requires_______memory space.

(a) 4 bytes
(b) 2 bytes
(c) both a & b
(d) 1 byte
(Note): because new computer requires 4 bytes for Int

(c) both a & b

Float (float) requires_______memory space.

(a) 4 bits
(b) 4 bytes
(c) 2 bytes
(d) 1 byte


(b) 4 bytes

Character (char) requires_______memory space.

(a) 1 bit
(b) 1 byte
(c) 4 bytes
(d) 2 bits


(b) 1 byte

For our conformation that our machine require how much bytes. We have simple write

(a) Size of( )
(b) Length of ( )
(c) Value of ( )
(d) None


Char c; means; it requires:

(a) 2 bytes
(b) 1 bit
(c) 1 byte
(d) 4 bytes


(c) 1 byte

Float f; means it requires:

(a) 2 bytes
(b) 4 bytes
(c) 4 bits
(d) 1 byte


(b) 4 bytes

Arithmetic instruction

Arithmetic instructions are used for:

(a) Storing purposes
(b) calculation purposes
(c) implementing purposes
(d) all


(b) calculation purposes

These instructions are formed by using:

(a) Arithmetic operators
(b) assignment operators
(c) both
(d) only a


(c) both

Arithmetic operators are used for:

(a) General calculations
(b) numeric calculation
(c) common calculation
(d) all


(b) numeric calculation

Unary arithmetic operators required :

(a) Two operand
(b) Only 1 operand(++,--)
(c) only a
(d) both


(b) Only 1 operand(++,--)

Binary operators required:

(a) Two operand
(b) only 1 operand
(c) only b
(d) both


(a) Two operand

Binary operators are:

(a) +
(b) - & %
(c) * & /
(d) all


(d) all

% modulus operators would return:

(a) Value
(b) numeric value
(c) reminder
(d) symbols


(c) reminder

Modulus______applied with floating point operand.

(a) Can
(b) cannot
(c) maybe
(d) may not be


(b) cannot

When both operand are integers, then result would be:

(a) Float
(b) Char
(c) Int
(d) all


(c) Int

When 1 operand is integers and other 1 is float, then result would be:

(a) Float
(b) Char
(c) Int
(d) all


(a) Float

Assignment Operators

A value can be stored in a variable with the use of:

(a) Arithmetic operator
(b) Assignment operator
(c) logical operator
(d) all


(b) Assignment operator

Operand on the left hand side should be

(a) Constant
(b) variable
(c) both
(d) none


(b) variable

Operand on the left hand side should be

(a) Constant or any expression
(b) varrable
(c) both
(d) none
(For example sum = x+y+z)

(a) Constant or any expression

Which of the following has highest precedence

(a) *,/,%
(b) ( )
(c) +,-
(d) both a & c


(b) ( )

Which of the following has lowest precedence

(a) *,/,%
(b) ( )
(c) +,-
(d) both a & c


(b) ( )

K = 2*3/4+4/4+8-2+5/8, in this example what should we we do first?

(a) *,/,%
(b) ( )
(c) +,-
(d) both a & c


(b) ( )

K = 2*3/4+4/4+8-2+5/8, in this example what should we we do after doing multiplication?

(a) *,/,%
(b) ( )
(c) +,-
(d) both a & c


(a) *,/,%

K = 2*3/4+4/4+8-2+5/8, in this example what should we we do after doing *,/,%?

(a) *,/,%
(b) ( )
(c) +,-
(d) both a & c


(c) +,-

Varriables

Variables are the quantities whose values can

(a) Not be changed
(b) changed
(c) both
(d) all of these


(b) changed

Constants are the quantities whose values can

(a) Not be changed
(b) changed
(c) both
(d) all of these


(a) Not be changed

In a program, variables has:

(a) Name
(b) Type (type of the variable. float, Int,etc)
(c) Size (how many bytes are going to be reserved) , value(what is the value is to be assigned)
(d) All of these


(d) All of these

Keywords

Keywords are the words whose meanings are :

(a) Not defined
(b) Already Defined
(c) both
(d) none


(b) Already Defined

Some examples are:

(a) Int
(b) char
(c) Short
(d) all of these


(d) all of these

Input/output Instructions

Input Instructions

Input instructions are used to enter from input unit to_________ .

(a) ROM
(b) RAM
(c) Motherboard
(d) IC


(b) RAM

For input the value of any variable we need to use________,

(a) Output instructions
(b) Input instructions
(c) Control Instructions
(d) all


(b) Input instructions

In C++, we use_____ for input instructions.

(a) cin<<
(b) cin>>
(c) cout>>
(d) cout<<


(b) cin>>

For input instructions, we use__________.

(a) Less than
(b) greater than
(c) greater than or equal to
(d) less than or equal to


(b) greater than

Statement terminator is_______

(a) ( )
(b) !
(c) ; (semi colon)
(d) “ ”


(c) ; (semi colon)

Semicolon is the ____of the any instruction.

(a) Start
(b) Duration
(c) End
(d) None


(c) End

Output instructions

For display the value of variable/constant on output unit, we need to use______.

(a) Input instructions
(b) Output instructions
(c) Control instructions
(d) None


(b) Output instructions

In C++, we use______ for output instructions.

(a) cin<<
(b) cin>>
(c) cout>>
(d) cout<<


(c) cout>>

For output instructions, we use__________.

(a) Less than
(b) greater than
(c) greater than or equal to
(d) less than or equal to


(a) Less than

Anything we write in inverted commas it will be __________ as it is:

(a) End
(b) Display
(c) terminate
(d) both a & c


(b) Display

Structure of C++ program

Parts of basic structure of program are;

(a) Comment line
(b) Preprocessor Directive & main funtion
(c) Global variable decleration
(d) All


(d) All

/*………………………..*/, this is:

(a) Preprocessor Directive
(b) Comment line
(c) main function
(d) none


(b) Comment line

Comment line is used to increase the ________ of the program.

(a) Understanding
(b) readability
(c) both a & b
(d) none


(c) both a & b

Anything which is written in comment line will not be _________ .

(a) Written
(b) Executed
(c) terminate
(d) both a & c


(b) Executed

If we want to use input/output instructions,then we have to use;

(a) Cin>>
(b) cout<<
(c) #include<iostream.n>
(d) #include<iostream.h>


(d) #include<iostream.h>

#include<iostream.h> tells the compiler to include ______ about input/output instructions.

(a) Reason
(b) information
(c) cause
(d) all


(b) information

Global declaration, is the section where variables are declared____________ .

(a) Easily
(b) globally
(c) both
(d) none


(b) globally

Global variables are accessible _________ the program.

(a) Some portion
(b) Throughout
(c) only a
(d) none


(b) Throughout

The execution start always from the ___________

(a) Main( ) function
(b) global delaration
(c) comment line

(d) all


(a) Main( ) function

Main( ) is the ________ function.

(a)Built in (b)user defined (c)fixed (d)both a & c

(b)user defined

Every function has ______ main() function

(a) One
(b) two
(c) three
(d) four


(a) One

Main function is encloses with the pair of __________.

(a) Commas
(b) curly braces
(c) inverted commas
(d) all


(b) curly braces

Main function can be _________ in the program.

(a) Anywhere
(b) only in middle
(c) only in last
(d) none


(a) Anywhere

In general practice, main( ) function is placed in __________.

(a) Middle
(b) start
(c) end
(d) none


(b) start

The definition is already defined in the #include<iostream.h> of_________.

(a) Input instructions
(b) output instructions
(c) both
(d) none


(c) both

For displaying the result, we have to use ________

(a) Clrscr( );
(b) getch();
(c) both
(d) none


(c) both

__________is use not to terminate the execution until you want.

(a) Clrscr( );
(b) Getch( );
(c) both
(d) none


(b) Getch( );

Getch( ); demanding the ______ from the keyboard.

(a) Number
(b) character
(c) symbol
(d) all


(b) character

How we can run our program?

(a) Ctrl+F8
(b) Ctrl+F9
(c) Ctrl+F5
(d) Ctrl+F7


(b) Ctrl+F9

Endl; means_____

(a) Start of line
(b) end of line
(c) duration of line
(d) both a & c


(b) end of line

After putting endl; in the end of any line, it means this line _________ here.

(a) Completed
(b) remaing
(c) both
(d) none


(a) Completed

If you have to write clrscr( ); & getch( ); , then we use;

(a) #include<conio.h>
(b) #include<conio.n>
(c) #include<iostream.h>
(d) none


(a) #include<conio.h>

If x = 10, y = 20, then z = x+y ,output will be?

(a) 10
(b) 20
(c) 30
(d) 200


(c) 30

If x = 10, y = 20, then z = x*y ,output will be?

(a) 10
(b) 20
(c) 30
(d) 200


(d) 200

If x = 20, y = 2, then z = x/y ,output will be?

(a) 10
(b) 20
(c) 30
(d) 200


(a) 10

If x = 15, y = 5, then z = x+y ,cout<<”z=”,output will be?

(a) z=10
(b) z=20
(c) z=30
(d) z=200


(b) z=20

If we want that computer asks us to put the value from keyboard, then what should we do for the value of a?

(a) Cin&t;>a
(b) cin<<a
(c) cout&t;>a
(d) cout<<a


(a) Cin&t;>a

The output of cout&t;>"This is my first program"endl; cout&t;>"This is my second program"; will be;?

(a) This is my first programThis is my second program
(b) This is my second program
(c) This is my first program & This is my second program
(d) None


(c) This is my first program & This is my second program

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