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单选题When comparing analog display inputs to digital display inputs, which of the following is anadvantage that digital has over analog?（）A Allows for higher brightnessB More crosstalkC Sustains higher resolutionsD Supports widescreen resolutions

题目
单选题
When comparing analog display inputs to digital display inputs, which of the following is anadvantage that digital has over analog?（）
A

Allows for higher brightness

B

More crosstalk

C

Sustains higher resolutions

D

Supports widescreen resolutions

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相似问题和答案

第1题：

When comparing analog display inputs to digital display inputs, which of the following is anadvantage that digital has over analog?()

A. Allows for higher brightness

B. More crosstalk

C. Sustains higher resolutions

D. Supports widescreen resolutions


参考答案：C

第2题：

Which of the following describes the roles of devices in a WAN? ()

A.A CSU/DSU terminates a digital local loop

B.A modem terminates a digital local loop

C.A CSU/DSU terminates an analog local loop

D.A modem terminates an analog local loop

E.A router is commonly considered a DTE device

F.A router is commonly considered a DCE device


参考答案：A, D, E

第3题：

Theprocessquantizingthecontinuousvaluesintoabinaryscaleiscalled().

A.digital-to-analogconversion

B.digital-to-digitalconversion

C.analog-to-digitalconversion

D.analog-to-analogconversion


参考答案：C

第4题：

When a router converts analog signals to digital signals， what three steps are always included in the process？（）

  • A、involution
  • B、encoding
  • C、sampling
  • D、quantization
  • E、compression
  • F、companding

正确答案:B,C,D

第5题：

Which two statements are true about analog to digital conversion of voice signals for use in digital telephony networks？（）

  • A、The three required steps in the analog to digital conversion are sampling，encoding，and compression.
  • B、The three required steps in the analog to digital conversion are sampling，quantization，and compression.
  • C、The three required steps in the analog to digital conversion are sampling，quantization，and encoding.
  • D、The output of the sampling process is a pulse code modulation （PCM） signal.
  • E、The output of the sampling process is a pulse amplitude modulation （PAM） signal.

正确答案:C,E

第6题：

is a device which enables digital microcomputers to communicate across analog telephone lines.

A．The switch

B．The modem

C．The hub

D．The repeater


正确答案：B

第7题：

Which of the following describes the roles of devices in a WAN (Choose three.)()。

A.A CSU/DSU terminates a digital local loop.

B.A modem terminates a digital local loop.

C.A CSU/DSU terminates an analog local loop.

D.A modem terminates an analog local loop.

E.A router is commonly considered a DTE device.

F.A router is commonly considered a DCE device.


参考答案：A, D, E

第8题：

Digital computer is controlled by internally stored programs and(66) of using common storage for all or part of a program and also for all or part of the data necessary for the execution of the programs; executing user-written or user-designated programs; performing user-designated manipulation of digitally represented discrete data, including.(67) operations and logic operations; and executing programs that(68) themselves during their execution.Analog computer's operations are analogous to the(69) of another system and that accepts, processes, and produces analog data.(70) computer integrates analog computer components and digital computer components by interconnection of digital-to-analog converters and analog-to-digital converters.

A．qualified

B．competent

C．capable

D．able


正确答案：C

第9题：

Which of the following describes the roles of devices in a WAN?（）

  • A、A CSU/DSU terminates a digital local loop
  • B、A modem terminates a digital local loop
  • C、A CSU/DSU terminates an analog local loop
  • D、A modem terminates an analog local loop
  • E、A router is commonly consideredaDTEdevice
  • F、A router is commonly considereda DCE device

正确答案:A,D,E

第10题：

Which of the following describes the roles of devices in a WAN? （）

  • A、A CSU/DSU terminates a digital local loop
  • B、A modem terminates a digital local loop
  • C、A CSU/DSU terminates an analog local loop
  • D、A modem terminates an analog local loop
  • E、A router is commonly considered a DTE device
  • F、A router is commonly considered a DCE device

正确答案:A,D,E

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