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CDCs > Vol 2 UREs > Flashcards

Vol 2 UREs Flashcards

1
Q

Mbps for MIL-STD 1553 data bus serial xmsn rate

A

2 Mbps

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2
Q

The structure of a MIL-STD 1553 data word is:

A

20 bits long with 3 sync bits, 16 data/command/status bits, and 1 parity bit

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3
Q

A MIL-STD 1553 data bus message must contain at least 1 cmd word with this max number of data words

A

32

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4
Q

The MIL-STD 1553 data bus system cmd that provides a mechanism for a bus terminal (RT) to send data to another RT when the BC does not require the data is called

A

RT to RT

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5
Q

Which is not a function of the MIL-STD 1553 data bus mode codes?

A

Executing a bus controller (BC) broadcast command

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6
Q

The integrated circuit of a computer microchip is made of:

A

Silicon

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7
Q

Chips with circuits that are used in various parts of a computer or calculator are called:

A

Microprocessors

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8
Q

The heart of a computer’s data processing system supervises and controls:

A

Logical decisions

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9
Q

Which computer component acts like a sophisticated switchboard operator?

A

Control unit

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10
Q

Where does the computer’s arithmetic/logic unit (ALU) temporarily store the intermediate results of arithmetic operations?

A

Registers

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11
Q

The primary computer memory that usually cannot be erased is called:

A

Read-only memory

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12
Q

A computer’s random access memory is used to:

A

Store information being calculated by the computer

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13
Q

In a computer, the term auxiliary storage refers to

A

Memory stored outside the computer

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14
Q

What keeps the computer monitor’s electron beams from spilling over into the wrong phosphors to mix colors improperly?

A

Shadow mask

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15
Q

The resolution of a computer monitor is expressed in a number of pixels that make up the image. The sharper the image, the:

A

Higher the resolution

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16
Q

Using a text based method to display characters and objects on a computer refers to

A

Disk Operating System (DOS)-based programs

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17
Q

The main function of Switches within a network is to

A

Enable several users to send information

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18
Q

What is the technique called where data can be segmented into numerous blocks so sequential blocks can be written?

A

Data stripping

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19
Q

Which redundant array of independent disks (RAID) parity is distributed across all drives and eliminates the bottleneck?

A

5

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20
Q

Which type of cable is used to carry RF power from one point to another?

A

Coaxial

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21
Q

Which type of cable is used to interconnect electrical and electronic hardened components in the aircraft?

A

Electromagnetic pulse (EMP)

22
Q

How many outer protective layers does an EMP cable have?

A

3

23
Q

Which of these is not a type of connector coupling?

A

Insertion

24
Q

Radio frequency (RF) connectors are designed to be used with this type cable or wire.

A

Coaxial cable

25
Q

Which of the following is not a RF connector precaution?

A

Ensure a good grip when using pliers.

26
Q

Twisting an optic fiber during cabling installation or maintenance results in

A

Reduced optical power transmission

27
Q

This component is used to convert fiber optic light transmissions back to electrical signals.

A

Photo diode

28
Q

What type of solder is always used for electrical soldering?

A

Rosin core

29
Q

Why is flux important when soldering?

A

Prevent oxygen from combining with metal

30
Q

What is of utmost importance during the soldering process?

A

Having a clean area

31
Q

Properly caring for an electric soldering iron involves

A

Keeping the iron in a proper holder when you are not using it

32
Q

Which of these is not a type of solderless connection?

A

Connector splice

33
Q

What solderless connector allows you to connect it to electrical equipment easily and efficiently?

A

Terminal lug

34
Q

One reason crimping tools were developed was to ensure crimps

A

Have a good mechanical connection

35
Q

Which type standard applies when a heating tool is used in a potentially explosive environment?

A

Military safety

36
Q

Who or what is responsible for maintaining proper heat and air pressure during heat shrink installation?

A

Tool operator

37
Q

Before performing any type of wire repair, you must consult

A

The applicable technical orders.

38
Q

EMP hardened cable is non-repairable by local personnel if there is damage to the

A

Internal wires

39
Q

Before performing an EMP cable wire repair, you must

A

Check TO 1-1A-14

40
Q

What is the purpose of pre-waxing the cotton or linen tape used for wire bundling EMP cable?

A

Promotes moisture and fungus resistance

41
Q

Which inspection is designed to reduce the amount of time an aircraft is out of commission?

A

Major

42
Q

Each statement describes the programmed depot maintenance inspection concept except that it

A

Is used by ACC and AMC

43
Q

This inspection is designed to find defects that might have developed during an aircraft’s ground operation

A

End-of-runway

44
Q

When is the thruflight inspection performed on an aircraft?

A

Prior to takeoffs at intermediate stops

45
Q

Which inspection is thorough with a “look, see, and fix” search of the aircraft?

A

Major

46
Q

What type maintenance is performed on aircraft that requires you to complete an immediate action TCTO?

A

Unscheduled

47
Q

What type inspection includes a review of the forms for status, a visual inspection of equipment for defects, and adequate servicing?

A

Operator

48
Q

How many months is war reserve material/mobility equipment reinspected?

A

18

49
Q

This is one example of a non-preventable FOD incident

A

A flock of birds impacted in-flight

50
Q

Who performs the final dropped object program (DOP) aircraft inspection procedure before flight?

A

Flight crew

CDCs (9 decks)

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