15 questions
What is a computer?
An electronic device that receives input, processes it and provides an output in the desired format.
An electronic device to do homework, play video games or surf on the internet.
An electronic device that receives input, stores or processes the input and provides an output in the desired format.
Typing an essay in Word is an example of input.
Yes, because you're inserting data into the computer.
No, because you're not introducing data into the computer.
I don't know.
Taking a picture with the cell phone is an example of output.
Yes, because it's the result of processing data.
No, because it's not the result of processing data.
I don't know.
Printing a document is an example of output.
Yes, because it is the result of processing data.
No, because it's not the result of processing data.
I don't know.
Listening to audio through the speakers is an example of input.
Yes, because you're inserting data into the computer.
No, because you're not inserting data into the computer.
I don't know.
Is this a valid example of the Input-Process-Output Model?
Input: Scanning picture.
Process: Editing the picture.
Output: Printed poster with picture.
Yes.
No.
I don't know.
Is this a valid example of the Input-Process-Output Model?
Input: Text and numbers typed on keyboard.
Process: Calculations performed in a spreadsheet.
Output: Bank record.
Yes.
No.
I don't know.
Check all the examples of Input Units.
Keyboard
Microphone
Speakers
Mouse
Check all the examples of Output Units.
Screen.
Printer.
Headphones.
Keyboard.
The control unit, arithmetic logic unit and memory are together called Central Processing Unit or CPU.
Yes
No.
I don't know.
Hardware cannot be touched, only software can be touched.
Yes.
No.
I don't know.
Software is the set of instructions or programs that make a computer function. It cannot be touched or seen.
Yes.
No.
I don't know.
Check all the characteristics of computers.
Speed.
Accuracy.
Reliability.
Versatility.
Store capacity.
Check all the advantages of using a computer.
Computers can do the same task repetitively with the same accuracy.
Computers allow you to play video games.
Computers do not get tires or bored.
Computers have access to the internet.
Computers can take up routine tasks while releasing human resource for more intelligent functions.
Check all the disadvantages of using a computer
Computers only help you do homework.
Computers can work many hours at a time.
Computers have no intelligence. They follow instructions blindly without considering the outcome.
Regular electric supply is necessary to make computers work.