MCQ Practice

Computer & IT MCQs

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OCR stands for ____.

A. Optical Character Recognition
B. Optical Character Reader
C. None of these
D. None of these

Explanation:
OCR stands for Optical Character Recognition.

In banks, the data on cheques is read by the following device ____.

A. OCR
B. OMR
C. MICR
D. Barcode reader

Explanation:
MICR (Magnetic Ink Character Recognition) is used by banks to read cheques.

Identify the input device among the following options ____.

A. Scanner
B. Printer
C. Monitor
D. Speaker

Explanation:
A scanner is an input device that converts images/documents to digital form.

Light pen is which type of device?

A. Output
B. Input optical device
C. Internal device
D. None of these

Explanation:
A light pen is an input optical device used for pointing.

Ctrl, Shift and Alt are called ____ keys.

A. Adjustment
B. Function
C. Alternate
D. Alphanumeric

Explanation:
Ctrl, Shift, and Alt are modifier (alternate) keys.

Numeric key is a ____ key.

A. Primary
B. Secondary
C. Normal
D. None of these

Explanation:
Numeric keys are primary keys on the keyboard.

Who invented the QWERTY keyboard?

A. Christopher Latham Sholes
B. George Orville
C. Isaac Newton
D. Kurt Keplan

Explanation:
Christopher Latham Sholes invented the QWERTY keyboard layout.

What is the primary input device for a computer system?

A. The keyboard
B. A monitor
C. A speaker
D. A printer

Explanation:
The keyboard is the most common primary input device.

Which of the following is not an output device of a computer system?

A. Printer
B. Keyboard
C. CRT Screen
D. None of these

Explanation:
A keyboard is an input device, not an output device.

Trackball is a(n) ____.

A. Storage device
B. Output device
C. Input device
D. Programming language

Explanation:
A trackball is an input device used to control the cursor.

Practice Important Questions

This section provides important MCQs with answers and explanations to help candidates prepare effectively for CSS, PMS, and other competitive exams.

Improve Conceptual Understanding

Each MCQ is designed to strengthen your understanding of key concepts and improve analytical thinking required in exams.

Exam-Oriented Preparation

These MCQs follow actual exam patterns, helping aspirants practice relevant questions and improve performance.

Useful for CSS and PMS Exams

This collection is highly beneficial for CSS, PMS, and other competitive exams, improving accuracy and confidence.