Question : In a computer system, which device is functionally opposite of a keyboard?
Option 1: Trackball
Option 2: Joystick
Option 3: Mouse
Option 4: Printer
Correct Answer: Printer
Solution : The correct option is the Printer.
A printer and a keyboard function in the exact opposite ways. A keyboard is the most widely used input device, which consists of a row of keys resembling those on a typewriter and is used to enter data into a computer. A printer, on the other hand, is an output device that can print text and graphics.
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Question : A parallel port is most often used by a
Option 1: Printer
Option 2: Monitor
Option 4: External storage device
Question : Dot-Matrix is an example of which of the following?
Option 1: A software
Option 2: Scanner
Option 3: Printer
Option 4: Keyboard
Question : Which of the following allows computers to transfer data using a telephone line?
Option 1: Keyboard
Option 2: CPU
Option 3: Modem
Question : Which of the following is used as the primary memory of a computer?
Option 1: Optical storage device
Option 2: Magnetic storage device
Option 3: RAM
Option 4: Magnetic-Optical storage device
Question : A place through which data can enter or leave a computer is called
Option 1: Bus
Option 2: Dock
Option 4: Port
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