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AP computer science lesson 1-11 > Lesson 1-11 > Flashcards

Lesson 1-11 Flashcards

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1
Q

Input

A

The directions you give a computer to carry out certain functions, called outputs

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2
Q

Output

A

The outcome of an input, the action the computer takes

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3
Q

Storage

A

The amount of data a computer can hold

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4
Q

Processing

A

The manipulation of data done by a computer

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5
Q

What is a computer?

A

A device that takes in and manipulates information

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6
Q

CPU

A

Central Processing Unit, the brain of a computer

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7
Q

GPU

A

Graphics Processing Unit, renders images on a display

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8
Q

Hard Drive

A

Long term computer storage

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9
Q

RAM

A

Temporary computer storage

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10
Q

Motherboard

A

Allows other parts of a computer to communicate

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11
Q

Hardware

A

Physical parts of a computer

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12
Q

Software

A

Programs and operating systems of a computer(not physical)

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13
Q

Bit

A

Smallest unit of data computers can process, 1 or 0

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14
Q

Byte

A

Group of 8 bits

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15
Q

What is 23 in binary form?

A

10111

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16
Q

What is 10010110 in decimal form?

A

150

17
Q

Overflow

A

When a program receives a number or variable that doesn’t fit

18
Q

Rounding error

A

An error from trying to represent a number that is to precise, it is rounded by the computer

19
Q

What is ASCII?

A

A key that computers use to represent certain characters, such as the alphabet

20
Q

What is A in ASCII

A

97

21
Q

Abstraction

A

When all but the relevant data about something is hidden in order to compress something and increase efficiency

22
Q

Pixel

A

The smallest unit that make up digital displays

23
Q

Sampling frequency

A

The level of detail used when making a digital sample, determined by the amount of pixels used in the sample

24
Q

What is the correct order of Abstraction for how computers represent images?

A

binary -> RGB -> pixel -> sampled image -> digital image

25
Q

Analog image

A

An image represented by continuous variation of tone, like a photograph

26
Q

Digital image

A

The representation of an analog image using pixels

27
Q

RLE

A

Form of Lossless compression where runs of data are stored as a single data value

28
Q

Lossless compression

A

Compression of data where no information is lost

29
Q

Lossy compression

A

Compression of data where some date is lost, but it’s more efficient to send and takes less storage

30
Q

Intellectual property

A

Work or an invention that is the product of creativity

31
Q

Copyright

A

The legal right to ownership and control over a certain creative work

32
Q

Creative commons

A

An organization to create free licenses for creators to make their work available to the public

33
Q

Overflow analogy

A

If a box is meant to hold 10 cans but you try to fit 12, the left over 2 overflow the box

AP computer science lesson 1-11 (1 decks)

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