选择题（共5题，每题1分，满分5分）l （1） is a device that converts images to digital format.A. CopierB. PrinterC. ScannerD. Display
选择题（共5题，每题1分，满分5分）
l （1） is a device that converts images to digital format.
A. CopierB. PrinterC. ScannerD. Display
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一、单项选择题（共40题，每题1分。每题的备选项中，只有一个最符合题意）1．能够使钢材的强度、硬度提高，而塑性、韧性不显著降低的化学元素为（ ）。A．碳来源：建设工 程教 育网B．硅C．磷D．硫
（66） is a device that converts images to digital format.（66）A. CopierB. PrinterC. ScannerD. Display
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● ___(66)___ is a device that converts images to digital format.(66)A. Copier B. Printer C. Scanner D. Display
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（ ）accepts documents consisting of text and/or images and converts them to machine-readable form.A. A printerB. A scannerC. A mouseD. A keyboard
What is the difference between a CSU／DSU and a modem?() 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.
某试卷由15道选择题组成，每道题有4个选项，其中只有一项是符合试题要求的，甲有6道题是能确定正确选项，有5道能排除2个错误选项，有4道能排除1个错误选项，若从每题排除后剩余的选项中选一个作为答案，则甲得满分的概率为（ ）
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What does DVI stand for?（）A、Dual Visual InterfaceB、Display Vertical InterfaceC、Digital Visual InterfaceD、Digital Vision Interchange
What is the difference between a CSU/DSU and a modem?（）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 lineB、A CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased lineC、A CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone lineD、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
What are two steps that are taken when a router converts a voice signal from analog to digital form？（）A、samplingB、packetizationC、quantizationD、serialization
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
单选题What is the difference between a CSU/DSU and a modem?（）AA CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased line.BA CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased line.CA CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone line.DA CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line.
单选题What is the difference between a CSU/DSU and a modem?（）AA CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased lineBA CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased lineCA CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone lineDA CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line