Computer Hardware MCQs Online Test

___ reads characters printed in a special magnetic ink into the computer.

1. Smart Card
2. MICR system
3. Magnetic Stripe system
4. None of these

There are _______ basic types of RAM.

1. 3
2. 2
3. 4
4. 1

Flash Drives are also known as:

1. USB memory pens
2. USB pen drives
3. USB memory sticks
4. All of these

___ are those words which have their special meaning within the C++ language.

1. Key words
2. Reserved words
3. Comments
4. Both A & B

____ function is the point by where all C ++ programs start their execution.

1. Main []
2. Getch []
3. Return
4. None of these

DOS is the abbreviation for Disk Operating System which was the ___ operating system used for personal computers.

1. Second
2. First
3. Third
4. Fourth

CD command is used in DOS for:

1. Copy a file
2. Delete a file
3. Changes the current directory
4. Format a disk to accept DOS files

What is Communication device in Computer?

1. hardware
2. software
3. both
4. none of these

Optical Character Readers are used for:

1. Visual Display
2. Output
3. Input
4. Storage device

In order to use a variable in C++, we _____ first declare it.

1. must not
2. must
3. may
4. may not