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Introduction to Computer and Programming concept MCQ Practice Set

Study Introduction to Computer and Programming concept MCQ Practice Set for your academic course and prepare for your exam and online assignments. You can give online FREE Quiz and test your knowledge on OMCQ portal.

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Exam Question

Which one of the following always reside in the memory

  • 1. Linker
  • 2. Loader
  • 3. Compiler
  • 4. All of the above

View Answer

Answer 4. All of the above

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Exam Question

main ( ){ char *a=”Hello”;*a++ = h ; printf(“%s “,a); }

  • 1. Hello
  • 2. Ello
  • 3. Runtime error
  • 4. Compiler error

View Answer

Answer 4. Compiler error

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Exam Question

main(){int *p; p=(int *)malloc(-10);}

  • 1. Allocates 0 bytes
  • 2. Allocates memory, if available
  • 3. Compilation error
  • 4. Runtime error

View Answer

Answer 3. Compilation error

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Exam Question

The number of address lines require to address 4k of memory are –

  • 1. 11
  • 2. 12
  • 3. 14
  • 4. 16

View Answer

Answer 2. 12

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Exam Question

The primary job of the operating system of a computer is to…

  • 1. Command Resources
  • 2. Manage resources
  • 3. Provide Utilities
  • 4. Be user friendly

View Answer

Answer 2. Manage resources

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Exam Question

Default initial value of static is

  • 1. garbage
  • 2. 0
  • 3. 1
  • 4. 2

View Answer

Answer 2. 0

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Exam Question

The getch() library function returns

  • 1. a character when any key is pressed
  • 2. a character when enter is pressed
  • 3. and displays a character on the screen when any key is pressed
  • 4. none of these

View Answer

Answer 4. none of these

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Exam Question

Which of the following cannot be checked in a switch-case statement?

  • 1. Character
  • 2. interger
  • 3. float
  • 4. enum

View Answer

Answer 3. float

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Exam Question

It is necessary to declare the type of a function in the calling program if the function

  • 1. returns an integer
  • 2. returns non-integer value
  • 3. is not defined in the same file
  • 4. none of these

View Answer

Answer 2. returns non-integer value

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Exam Question

A “switch” statement is used to

  • 1. switch between fuctions in a program
  • 2. switch from one variable to another variable
  • 3. to choose from multiple possiblities which may arise due to different values of a single variable
  • 4. to use switch variables

View Answer

Answer 3. to choose from multiple possiblities which may arise due to different values of a single variable

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Exam Question

Where is CMOS setup stored?

  • 1. Hard Disk
  • 2. BIOS
  • 3. CMOS RAM
  • 4. MBR

View Answer

Answer 3. CMOS RAM

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Exam Question

“For a loop in a C program, if the condition is missing”

  • 1. it is assumed to be present and taken to be false
  • 2. it is assumed to be present and taken to be true
  • 3. it result in a syntax error
  • 4. execution will be terminated abruptly

View Answer

Answer 2. it is assumed to be present and taken to be true

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Exam Question

A computer program that instructs other programs to perform a particular type of operation is

  • 1. System Software
  • 2. Application Software
  • 3. Compiler
  • 4. Interpreter

View Answer

Answer 1. System Software

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Exam Question

The number of processes completed per unit time is known as…

  • 1. Output
  • 2. Throughput
  • 3. Efficiency
  • 4. Capacity

View Answer

Answer 2. Throughput

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Exam Question

The conversion characters for data input means that the data item is–

  • 1. An unsigned decimal integer
  • 2. A short integer
  • 3. A hexadecimal integer
  • 4. A String followed by white space

View Answer

Answer 2. A short integer

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Exam Question

Which of the following is an application software?

  • 1. MS-Office
  • 2. Unix
  • 3. Linux
  • 4. Solar

View Answer

Answer 1. MS-Office

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Exam Question

How many digits are required for a Decimal number system?

  • 1. 7
  • 2. 8
  • 3. 9
  • 4. 10

View Answer

Answer 4. 10

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Exam Question

int y[4] = {6, 7, 8, 9};
int *ptr = y + 2;printf(“%dn”, ptr[ 1 ] );
What is printed when the sample code above is executed?

  • 1. 6
  • 2. 7
  • 3. 8
  • 4. 9

View Answer

Answer 4. 9

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Exam Question

What does the “auto” specifier do?

  • 1. It automatically initializes a variable to 0;
  • 2. It indicates that a variable’s memory will automatically be preserved
  • 3. It automatically increments the variable when used
  • 4. It indicates that a variable’s memory space is allocated upon entry into the block

View Answer

Answer 2. It indicates that a variable’s memory will automatically be preserved

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Exam Question

p++ executes faster than p+1 because

  • 1. :p uses registers
  • 2. p++is a single instruction
  • 3. ++is faster than
  • 4. None of these

View Answer

Answer 3. ++is faster than

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