Optical Input Devices Multiple Choice Questions (MCQ) PDF Download

MCQ 1: Device which is used to read a mark-sense answer sheet of particular test is

1. image scanner
2. bar-code reader
3. facsimile machine
4. character or mark recognition device

MCQ 2: Computer instructions written with the use of English words instead of binary machine code is called

1. mnemonics
2. symbolic code
3. gray codes
4. opcode

MCQ 3: Scanning technology, used in banks to read the numbers at the bottom of checks is

1. MICR
2. OCR
3. OMR
4. GRE

MCQ 4: All of the following are input devices, except

1. mouse
2. keyboard
3. light pen
4. VDU

MCQ 5: Key which is used in combination with another key to perform a specific task is

1. function
2. space bar
3. arrow
4. control