Final Flashcards

1
Q

To perform a high level format on the hard drive and make it bootable, what syntax would you use?

A

Format C:/S

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2
Q

How may bits are used in ASCII code, assuming no parity bit is used

A

7

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3
Q

If the highest frequency to be sampled is 3kHz, what is the minimum acceptable sampling rate?

A

6kHz.

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4
Q

What is the form of multiplexing in which data from different users is given different time slots within a data frame called?

A

Statistic Time Division Multiplexing (STDM)

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5
Q

Which part of the instruction tells the microprocessor what operation is to be performed?

A

opcode

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6
Q

OSI

A
Application Layer 
Presentation
Session
transport
network
data link 
Physical
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7
Q

TCP/IP

A

Application
Transport
Internet
Network Access Layer

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8
Q

What is VoIP

A

Voice Over IP

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9
Q

Data Link

A

Media Access

Logical Link

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10
Q

What is the correct order of phases of A PLC program scan

A

Input Scan
Execute Program
Output Scan

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11
Q

What are the characteristics of BJT common emitter (CE) amp

A

the CE has high power gain, good driver for an audio speaker and inverts the output signal

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12
Q

Characteristics of BJT common base (CB) amp

A

highest ouptut impedance, lowest current gain, and would be used to connect and antenna to an amplifier system

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13
Q

Characteristics of BJT (CC) amp

A

has voltage gain of 1

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14
Q

Among the three amp configuration CC, CB and CE, which has highest power gain

A

CE

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15
Q

Among the three amp configuration CC, CB and CE, highest input impedance

A

CB

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16
Q

Among the three amp configuration CC, CB and CE, has the lowest current gain

17
Q

Among the three amp configuration CC, CB and CE, would be a good driver for an audio speaker

18
Q

Among the three amp configuration CC, CB and CE, which configuration would probably be used to connect an antenna

19
Q

Among the three amp configuration CC, CB and CE, which inverts the output signal

20
Q

Among the three amp configuration CC, CB and CE, has voltage gain of 1

21
Q

Why is serial data more mainstream than parallel data transfer

22
Q

In a superhetrerodyne receiver what are the inputs to the mixer stage

A

RF IF local oscillator

Frequency

23
Q

In a fm modulator what does the amplitude of intelligence signal determine

A

frequency deviation rate

24
Q

What happen when electromagnetic waves pass from a medium of one density into another medium ticker density

A

optical density reftation

25
Q

s/n ration

A

s^2/n^2=sum and than 10 log (sum) deibels

26
Q

what device can be used as mixer in communication circiuts

27
Q

which rx uses dectector

A

anomaly detection

28
Q

which rx uses a discrimator

A

radio detector

29
Q

AM RX typical IF

30
Q

FM RX typical IF

31
Q

Which file is also know as machine cide and is utilized in programming microcontrollers

A

Assembly Language