When comparing analog display inputs to digital display inputs, which of the following is anadvantage that digital has over analog?()
第1题:
A. Allows for higher brightness
B. More crosstalk
C. Sustains higher resolutions
D. Supports widescreen resolutions
第2题:
A. A CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased line.
B. A CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased line.
C. A CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone line.
D. A CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line.
第3题:
A.digital-to-analogconversion
B.digital-to-digitalconversion
C.analog-to-digitalconversion
D.analog-to-analogconversion
第4题:
Which of the following describes the roles of devices in a WAN?()
第5题:
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.
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
第7题:
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
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
第9题:
Which two statements are true about analog to digital conversion of voice signals for use in digital telephony networks?()
第10题:
When a router converts analog signals to digital signals, what three steps are always included in the process?()