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October Assessment > Ict > Flashcards

Ict Flashcards

1
Q

Difference between lossy and lossless

A

Lossy compression reduces file size by permanently removing original data while lossless reduces file size by removing unnecessary metadata

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2
Q

Q1

A

C

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3
Q

Q2

A

D

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4
Q

Q3

A

A

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5
Q

Q4

A

Analogue
Digital
Analogue to digital converter
Digital to analogue converter

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6
Q

Q5 difference between data and information

A

Data is raw facts and figures with no context or meaning while information is data which has been processed and given meaning

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7
Q

Q6

A

C

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8
Q

Q7

A

D

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9
Q

Q8

A

A

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10
Q

Q11

A

A

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11
Q

Yes/no

A

Boolean

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12
Q

2000.4

A

Numeric

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13
Q

A

A

Charcter

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14
Q

True/false

A

Boolean

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15
Q

Jones

A

String

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16
Q

-23

A

Numeric

17
Q

BT99QE

A

String

18
Q

Male/female

A

Boolean

19
Q

Q12

A

D

20
Q

Q13

A

A

21
Q

JPEG

A

Joint Photographic Experts Group

22
Q

PNG

A

Portable Network Graphics

23
Q

GIF

A

Graphics Interchange Format

24
Q

Q15

A

B

25
Q

Q16

A

A

26
Q

Q17

A

D

27
Q

22khz in hertz

A

22000hz

28
Q

Q21

A

Resolution

29
Q

Q22 and Q23

A

B

30
Q

Q14 d

A

The hardware he is using doesn’t support the file format

31
Q

Sample rate converting to digital

A

The lower the sample rate the less samples taken lowering audio quality therefore the higher the sample rate the better the audio quality

32
Q

How bitmaps graphics stored

A

Store details about every individual pixel of the image each pixel could have a different colour

33
Q

Vectors are stored as

A

Stored as mathematical objects such as lines curves and shapes

October Assessment (14 decks)

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