Input and Output Devices MCQ
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Q. What is the primary function of input devices?
a) To display results
b) To provide data to the computer
c) To process information
d) To print data
Answer: b) To provide data to the computer
Q. Which device is known as input device?
a) Mouse
b) Keyboard
c) Joystick
d) Scanner
Answer: b) Keyboard
Q. Which key is used to delete a character at the right side of the cursor?
a) Backspace
b) Delete
c) Enter
d) Esc
Answer: b) Delete
Q. What type of device is a mouse?
a) Text entry
b) Point and draw
c) Visual
d) Scanning
Answer: b) Point and draw
Q. Which mouse action is used to start a program?
a) Right-click
b) Scroll
c) Double-click
d) Drag and drop
Answer: c) Double-click
Q. What is the function of the Caps Lock key on a keyboard?
a) Toggle between uppercase and lowercase letters
b) Enter special characters
c) Execute commands
d) Delete characters
Answer: a) Toggle between uppercase and lowercase letters
Q. Which device is primarily used for playing video games?
a) Keyboard
b) Joystick
c) Mouse
d) Scanner
Answer: b) Joystick
History and Evolution of Computers MCQ
Q. Which device can convert printed barcodes into data?
a) Image scanner
b) Barcode scanner
c) Optical character reader
d) Magnetic ink character reader
Answer: b) Barcode scanner
Q. What is the function of an optical mark reader (OMR)?
a) Identify magnetic ink
b) Recognize marks on a special sheet
c) Scan images
d) Decode barcodes
Answer: b) Recognize marks on a special sheet
Q. Which output device is used to create hard copies?
a) Monitor
b) Printer
c) Projector
d) Barcode scanner
Answer: b) Printer
Q. What technology do flat monitors use?
a) CRT
b) LCD
c) LED
d) Both b and c
Answer: d) Both b and c
Q. Which device uses laser technology for printing?
a) Dot matrix printer
b) Inkjet printer
c) Laser printer
d) Line printer
Answer: c) Laser printer
Q. Which device projects computer output onto a larger surface?
a) Monitor
b) Printer
c) Projector
d) Plotter
Answer: c) Projector
Q. What is an example of a speech input device?
a) Mouse
b) Microphone
c) Keyboard
d) Projector
Answer: b) Microphone
Q. What kind of copy does a monitor provide?
a) Hard copy
b) Soft copy
c) Printed copy
d) Digital copy
Answer: b) Soft copy
Q. What is the primary purpose of an optical character reader (OCR)?
a) Scan barcodes
b) Read printed characters and convert them to digital form
c) Recognize magnetic ink
d) Identify marks on OMR sheets
Answer: b) Read printed characters and convert them to digital form
Q. Which device is widely used in banks for processing cheques?
a) Optical character reader
b) Magnetic ink character reader
c) Barcode scanner
d) Electronic card reader
Answer: b) Magnetic ink character reader
Q. What type of device is a touchscreen?
a) Output device
b) Input device
c) Both input and output device
d) None of the above
Answer: c) Both input and output device
Q. Which key is used to move the cursor to the next tab position?
a) Tab
b) Spacebar
c) Enter
d) Shift
Answer: a) Tab
Q. Which device is used for facial recognition authentication?
a) Optical character reader
b) Barcode scanner
c) Camera
d) Joystick
Answer: c) Camera
