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Harman [31]
3 years ago
9

Which two components help input data in a computer and select options from the screen, respectively?

Computers and Technology
1 answer:
Natali [406]3 years ago
3 0

Answer:

Mouse and Keyboard are the devices which can be used to give input to the computer.

Explanation:

Mouse and Keyboard both are connected with the CPU via USB cable. Mouse consists of 3 major buttons, left button(for click to get the task to be done), right button (to get options) and wheel (to scroll up and down the page on screen). Keyboard is use to type text and letters as per need.

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Answer:

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Explanation:

These are the steps to solve this problem:

  1. Convert all the powers from W to KW dividing by 1000.
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  3. Then you can apply energy consumption formula Energy = Power*Time for any of the appliances. the results will be at KWh.
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Attached you will have a spreadsheet as a guidance. Any  questions, just let me know.

Download xlsx
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A function checkZeros accepts three double parameters. It checks to see if the sum of all three parameters is equal to zero. If
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