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01 - What is input and output?

 1. In computing, input/output or I/O (or, informally, io or IO) is the __________ between an information processing system, such as a computer, and the outside world, e.g a human.

  communication

  deletion

  understanding

  misunderstanding

 2. Computers must receive output first in order to process and then input it.
earlyyears_whatisinputoutput_whatcomputersdo_1.jpg

  FALSE

  TRUE

 3. Refer to the image above. The CPU is often considered the _______ of the computer and is also sometimes called a chip.

  brain

  heart

  kidney

  lymph node

 4. In the following labelled image, the number 1 is pointing at an input device.
earlyyears_whatisinputoutput_labelthedevice_1.jpg

  TRUE

  FALSE

 5. In the labelled image in the question above, the number 3 is pointing at an input device.

  FALSE

  TRUE

 6. No. 4 (in the labelled image above) is a mouse. This is an ____________.

  agro device

  irrate

  output device

  input device

 7. Inputs are the signals or data received by the system and outputs are the signals or data ______________.

  received by it

  sent to it (sent to the input device)

  deleted by the device

  sent from it

 8. I/O devices are the pieces of _______ used by a human (or other system) to communicate with a computer.

  software

  RAM

  hardware

  ROM

 9. For instance, a keyboard or computer mouse is an output device for a computer, while monitors and printers are input devices.

  FALSE

  TRUE

 10. Devices for communication between computers, such as modems and network cards, typically perform _______________________________.

  only input operations.

  both input and output operations.

  both processing and storage operations.

  only ouput operations.

 11. Mouse and keyboards take physical movements that the human user outputs and convert them into _____________ that a computer can understand

  processed signals

  storage signals

  output signals

  input signals

 12. Similarly, printers and monitors take signals that a computer outputs as input, and they convert these signals into a representation that human users can understand.

  TRUE

  FALSE