Computer Gk In English For All Competitive Exams - 32

Computer Gk For Joa(IT) and Computer Operator Exams 

 

451. What does a light pen contain?

A. lead

B. ink

C. light sensing elements

D. None of the Above

 

452. __________ an external bus standard used for transferring data to and from digital devices.

A. Serial Port

B. Firewire

C. Parallel Port

D. USB

453. A scanner that is moved by hand over the material being captured is known as ________.

A. Sheetfed scanner

B. Flatbed scanner

C. Drum scanner

D. Handheld scanner

454. MICR reads the characters by examining their shapes in _________ form.

A. binary

B. ASCII

C. matrix

D. None of the Above

455. Where would you find the letters “QWERTY”?

A. Joy Stick

B. Light Pen

C. Numeric Pad

D. Keyboard

456. _________ is a protocol designed for recording and playing

back music on digital synthesizers.

A. Musical Interface

B. Graphical User Interface (GUI)

C. Musical Digital Instrument Interface (MIDI)

D. None of the Above

457. ________ printer is also called pin printer.

A. Laser

B. Drum

C. Daisy Wheel

D. Dot Matrix

458. Which of the following is also known as reflective scanner?

A. Handheld scanner

B. Flatbed scanner

C. Drum scanner

D. None of the Above

459. Which is an interactive device that facilitates touch sensation and fine-motion control in Robotics and Virtual reality?

A. Light Pen

B. Joystick

C. Data Glove

D. None of the Above

460.  Which is considered a direct entry input device?

A. Optical scanner

B.  Light pen

C.  Mouse

D.  All of the above.

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