computer systems Flashcards

1
Q

What is a______?
• Consist of devices, programs and operating aids procedures required to prepare and process data and the personnel who keeps these elements effectively and efficiently functioning.

A

computer system

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2
Q

• It accepts data as input and processes it to provide us with an output, such as information or a physical action.
• But it can only follow the instructions that we give it.

A

computer system

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3
Q

laptop, camera, computer, cp, washing machine, oven

A

ex of computer system

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4
Q

• A computer system accepts data and instructions at the ____ stage.
•___ devices, such as a keyboard or sensor, are used to collect and provide the computer system with data or instructions.

A

input

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5
Q

____ is a collection of facts about something or somebody.

A

data

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6
Q

• This ____ can be used in many different ways to provide information about you.

A

data

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7
Q

• It could be a collection of numbers, letters, dates, images and sound.
• For example, your height, age, shoe size, hair colour and gender etc is ___.

A

data

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8
Q

• Data and instructions are _____ by a_________ (CPU).

A

processed

central processing unit

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9
Q

• A ____ is the computer system’s brain that can transform data from input devices into useful information or a physical action.

A

CPU

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10
Q

• The ____ can process data really fast but it can’t think for itself. It only does what it is told to do by following instructions.

A

CPU

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11
Q

• Data becomes ____ when it is put into context (i.e. given meaning).
• A barcode number is just data on its own. So is the product name, image and price.
• But this data becomes meaningful ______ when the data is put together.
• When a barcode is scanned, we can find out what item it is, what it looks like and how much it will cost.

A

information

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12
Q
  • An ____ is when the computer communicates the results of the processed data.
A

output

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13
Q

• The data has been transformed into useful information that we can see and use.
• This information is usually shown on a display monitor or paper printout and it should be easy for us to understand.

A

Output

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14
Q

common input devices

A

keyboard
mouse
remote
game controller
head mic
scanner
dvd device

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15
Q

common output devices

A

printer
speaker
laptop
computer
head mic
traffic light

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16
Q

Raspberry Pi Computer Parts