intro to data Flashcards

1
Q

what is data?

A

information in an electric form that is stored in devices such as computers

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2
Q

what is a bit?

A

a bit stands for binary digit and it is the smallest piece of info that a computer can store

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3
Q

what is a transistor?

A

a tiny switch that controls digital signals- inside a computer

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4
Q

what is a digital signal?

A

a type of electricity- either ON or OFF

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5
Q

what is a circuit?

A

it is a combination of electrical wires & transistors as well as other things that can process binary

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6
Q

what is positional number system ?

A

the location of digits tells us it’s value (used to figure out binary)

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7
Q

what is place value ?

A

the numerical value that a number has by the value of its position

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8
Q

what is base10

A

the normal counting system made up of 10 digits

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9
Q

what is denary?

A

another word for base10

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10
Q

what is base2?

A

base2 is binary- only 2 digits used

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11
Q

what is binary?

A

another word for base2

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12
Q

what is binary code?

A

how the computer understands binary

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13
Q

what types of data are there?

A

numerical & personal

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14
Q

what is 01110111 in denary/base10

A

119

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15
Q

what is 48 in base 2?

A

00110000

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16
Q

what are the binary numbers up to 16?

A
0 
1 
10
11
100
101
110
111
1000
1001
1010
1011
1100
1101
1110
1111
10000