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calss 01 > other lessons > Flashcards

other lessons Flashcards

1
Q

not gate notation

A

¬

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2
Q

not gate symbol

A

right-facing triangle with a circle

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3
Q

and gate notation

A

∧

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4
Q

and gate symbol

A

half rectangle half circle

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5
Q

or gate notation

A

V

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6
Q

or gate symbol

A

a pointed and gate with a curved flat line

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7
Q

two categories of data compression

A

lossy and lossless

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8
Q

flowchart decision symbol

A

equilateral diamond

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9
Q

flowchart process symbol

A

rectangle

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10
Q

flowchart input/output

A

rhombus

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11
Q

what is abstraction

A

filtering out unnecessary information

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12
Q

what is decomposition

A

breaking down a problem into simpler parts

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13
Q

what is pattern recognition

A

finding similar characteristics among the same and other problems

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14
Q

what is an algorithm

A

a list of step by step instructions to solve a problem

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15
Q

what are the four components to computational thinking

A

abstraction
decomposition
pattern recognition
algorithms

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16
Q

what is computational thinking

A

a way of thinking to solve a complex problem

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17
Q

the equation for the sum of interior angles of any polygon

A

(n - 2) * 180

where n = number of sides

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18
Q

the equation for a line

A

y = mx + c

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19
Q

equation for quadratic sequence

A

2a = {2nd set of arrows}
c = {0th term}
a + b + c = {1st term}

an˄2 + bn + c

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20
Q

Where is bile produced

A

Liver

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21
Q

What does bile emulsify

A

Fats

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22
Q

Another word for breaks down

A

Emulsifies

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23
Q

Give the two finctions of bile

A

Emulsifies fats and neutralises stomach acid

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24
Q

Do saturated hydrocarbons have a double bond

A

No

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25
Q

Do alkanes or alkenes have a double bond

A

Alkenes

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26
Q

Give the general formula for alkanes

A

C H

n 2n+2

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27
Q

Give the general formula for alkenes

A

C H

n 2n

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28
Q

What is the test for alkenes

A

Turns orange bromine water colourless

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29
Q

What is the prefix for each alkæne

A

Monkeys Eat Peanut Butter

Methane | Eth | Prop | But

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30
Q

Words for the increase / decrease of electrons

A

Oxidation
Is
Loss

Reduction
Is
Gain

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31
Q

How to find the number of protons or electrons

A

They’re the same as the atomic number

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32
Q

How to find the number of neutrons

A

Minus the mass and atomic number

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33
Q

Which one is the atomic number

A

The smaller one, goes up in increments

34
Q

Which is the mass number

A

The bigger one on top

35
Q

Which group are alkalis in

A

Group 1

36
Q

Which group are halogens in

A

Group 7

37
Q

What is the order of cells in a reflex arc

A

Receptor, sensory, relay, motor, effector

see page 16

38
Q

Where is FSH produced

A

Pituitary gland

see page 21 for more

39
Q

Find side on right angle triangle with a side and an angle

A

Use SOH CAH TOA and make O, A or H the subject

40
Q

Calculate an angle on a right angle triangle with two sides

A

Use SOH CAH TOA with the inverse sin/cos/tan

41
Q

Find the hypotenuse of a 3D triangle with sides

A

Square root of x2 + y2 + z2

42
Q

Sine rule

A

sinA / a = sinB / b = sinC / c

where each lowercase letter is the opposite side to it’s uppercase angle

43
Q

What type of triangle is the sine and cosine rule used for

A

Non right angle triangles

44
Q

When to use sine or cosine rule

A

For any triangle:
Sine with 2 sides and 2 angles
Cosine with 3 sides and 1 angle

45
Q

Which months are Q1

A

Jan, Feb, Mar

46
Q

Which months are Q2

A

Apr, May, Jun

47
Q

Which months are Q3

A

Jul, Aug, Sep

48
Q

Which months are Q4

A

Oct, Nov, Dec

49
Q

What is the area of a trapezium

A

(a + b) / 2 * h

where a and b are parallel

50
Q

What are the two biological ways to extract metals

A

Bioleaching and phytomining

51
Q

Do unsaturated hydrocarbons have a double bond

A

Yes

52
Q

What are receptor cells

A

Cells that detect a change in the environment and produce electrical impulses

53
Q

What do sensory neurones do

A

Send electrical impulses from receptor cells to a relay neurone

54
Q

What do relay neurones do

A

Connect sensory and motor neurones together

55
Q

What do motor neurones do

A

Send electrical impulses to the effector

56
Q

What do effector cells do

A

Produce a response

57
Q

Give 2 examples of effectors in reflex arcs

A

Muscles or glands

58
Q

What is ✔️x times ✔️x

A

x

59
Q

What is ✔️x to the 3rd power

A

x✔️x

60
Q

What do you do for y✔️x - z✔️x

A

Minus y and z, keep ✔️x the same

61
Q

Equation for photosynthesis

A

Carbon dioxide + water —> glucose + oxygen

62
Q

Chemical formula for glucose

A

C H O

6 12 6

63
Q

What does amylase emulsify

A

Starch into glucose

64
Q

Where is bile produced

A

Made in the liver and stored in the gall bladder

65
Q

What does the gall bladder store

A

Bile

66
Q

Give 2 functions of bile

A

Neutralises stomach acid

Emulsifies fats

67
Q

What does protease emulsify

A

Protein into amino acids

68
Q

What does lipase emulsify

A

Lipids into fatty acids

69
Q

Give 2 enzymes the pancreas produces

A

Protease

Lipase

70
Q

Define current

A

The speed (flow) of electrons around a circuit

71
Q

Define resistance

A

Anything that slows down the current

72
Q

Define voltage

A

Anything that pushes the current forward

73
Q

Units for potential difference

A

Volts (V)

74
Q

Units for resistance

A

Ohms (Ω)

75
Q

Units for current

A

Amps (A)

76
Q

Equation linking current, resistance and voltage

A

V = IR

77
Q

4 factors affecting resistance through a conductor

A

Length, thickness, material, temperature

78
Q

Equation for power including work done

A

Power = work done / time

79
Q

Equation for power discluding work done

A

Power = voltage / current

80
Q

Units for power

A

Watts (W)

calss 01 (5 decks)

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