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Mod 5 > Mod5 > Flashcards

Mod5 Flashcards

1
Q

What does EIDS stand for?

A

Electronic instrument display system

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2
Q

What does EFIS stand for?

A

Electronic flight instrument system

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3
Q

Name 4 advantages of electronic instrument systems

A 
Variability and variety 
Coloured displays 
Accentuating important data when needed
Fewer components needed
All monitors are same type
Displays are interchangeable 
Interconnected by data buses
Calculations in the system made by CPU
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4
Q

What does CPU stand for?

A

Central processing unit

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5
Q

What does ROM stand for?

A

Read only memory

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6
Q

What does RAM stand for?

A

Random access memory

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7
Q

What is the purpose of the input/ output devices?

A

Provides the interface between the microprocessor and the real world

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8
Q

What is RAM’s purpose?

A

Used for temporary storage until the data is needed for processing

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9
Q

What is Rom’s purpose?

A

Contains the main programme, instructs the CPU exactly what to do, when and how to do it

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10
Q

What does a microprocessor do?

A

Performs all mathematical and logic functions of manipulating data in the memory

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11
Q

Define hardware

A

All parts and devices that are used to process digital data

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12
Q

Define software

A

Refers to all programmes and instructions for the CPU

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13
Q

What does EPROM stand for?

A

Erasable programmable read only memory

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14
Q

What does EAROM stand for?

A

Electrically alterable read only memory

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15
Q

What is the purpose of a reference computer?

A

Used as a source of information to carry out a task, it doesn’t need instructions, inertial reference system is a good example of this.

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16
Q

What is an informational computer?

A

A computer that collects data from various places then processes it and formats it for display

17
Q

What does a storage/ monitor computer do?

A

Retains information provided to them by other systems and computers

18
Q

What is an interactive computer?

A

This computer performs several different tasks depending on the operators inputs

19
Q

What percentage of ESD problems do not cause total failure?

A

80-90%

20
Q

Name the 4 factors that contribute to static electricity build up

A

Humidity
Temperature
Type of material
Form of movement

21
Q

“Nearly any movement of two materials will generate static”

True or false?

A

True

22
Q

Is the static effect high or low if the material is a conductor?

A

Low

23
Q

Is the static effect high or low if the material is a non-conductor?

A

High

24
Q

Why can’t a diode protect ESD’s?

A

The static discharge is too fast

25
Q

At what voltage could an ESD get damaged?

A

100V

26
Q

What happens if a semi-conductor or sensitive circuit is in the path of an ESD?

A

An uncontrolled current flow will occur and will damage the circuit.

27
Q

Does an ESD cause short circuits?

A

Very rarely

28
Q

Name the 6 protection methods against ESD’s

A 
Facilities
PPE
Verification of anti static safeguarding 
Identification of ESD devices or LRU’s
Correct handling of ESD 
Correct training
29
Q

Results of ESD’s can be?

A 
Local overheating
Evaporation 
Bending
Layer splitting
Holes
30
Q

Are ESD’s easily repaired?

A

NO

31
Q

What does LRM stand for?

A

Line replaceable module

32
Q

What does LRU stand for?

A

Line replaceable unit

33
Q

What does the colour variation of an ESD warning sign look like?

A

Black on yellow colour action

34
Q

Name all 9 precautions when handling ESD devices

A

Personnel should be trained
ESD must be transported and stored in anti static material
Should only be used at grounded work stations
Handle faulty ESD the same as new ESD
Test equipment in ESD protective areas
Turn off power before removing or replacing
Ground all equipment before use
Packaging must be grounded before removing ESD
use natural bristle brush when cleaning

35
Q

What is a data bus?

A

When data associated with memory is transferred to the input or output

36
Q

What is the address bus?

A

Specifies memory location or the input/ output part involved in a transfer

37
Q

What is a control bus?

A

Various control lines generated by the CPU

Mod 5 (1 decks)

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