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APCSP > Unit 1. > Flashcards

Unit 1. Flashcards

1
Q

Input

A

To put data into a computer

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2
Q

Output

A

When a computer supplies data

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3
Q

Storage

A

Data is saved in a device

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4
Q

Processing

A

A computer receives information and presents it

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5
Q

Computer

A

An electronic device that stores and processes data

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6
Q

CPU

A

The main processor of a computer (brain)

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7
Q

GPU

A

Graphics Card, helps presenting data (muscles and eyes)

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8
Q

Hard Drive

A

Main storage (Long term memory)

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9
Q

RAM

A

Random access memory (Short term memory)

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10
Q

Motherboard

A

Circuit board (Nerves)

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11
Q

Hardware/ Software

A

Hardware: Physical components of a computer
Software: Digital components of a computer

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12
Q

Bit/ Byte

A

Bit: = 0/1
Byte: 8 bytes

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13
Q

How do you convert decimal to binary?
How do you convert binary to decimal?

A

Perfect squares

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14
Q

Overflow

A

A computer receives a number it can’t process because it’s too large

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15
Q

Rounding Error

A

A mathematical error

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16
Q

What is the ASCII Table

A

The character encoder all computers use.

17
Q

Abstraction

A

Used to hide background detail so that the reader only sees required detail

18
Q

Pixel

A

A single illuminated area on the screen (very small)

19
Q

Sampling Frequency

A

Defines the number of samples per second

20
Q

Analog vs. Digital Images

A

Set binary signals to set digitize an image.

21
Q

RLE

A

Run length encoding to make a digital image

22
Q

Lossless Compression vs. Lossy Compression

A

Depending on the context a computer will compress an image to sacrifice detail in order to send the image faster

23
Q

What is Intellectual Property?

A

An idea that you created and own

24
Q

Copyright

A

the exclusive legal right, given to an originator or an assignee to print, publish, perform, film, or record literary, artistic, or musical material, and to authorize others to do the same

25
Q

Creative Commons

A

A public dedication tool

APCSP (1 decks)

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