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【单选题】
在幻灯片的放映过程中,以下说法错误的是______。A.
按“B”键可实现黑屏暂停
B.
按“W”键可实现暂停
C.
只能按顺序放映幻灯片
D.
可以使用荧光笔做标记
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反馈参考答案：
举一反三
【简答题】可持续发展理念的内涵包括五大方面,分别是共同发展、协调发展、公平发展、高效发展、多维发展,其核心是 公平。
【单选题】A(n) (__) is a buffer that holds output for a device that cannot accept interleaved data streams.
A.
escape
B.
block device
C.
cache
D.
spool
【单选题】A(n) _________is an electronic device that accepts input,processes data,and produce output.
A.
input
B.
input device
C.
output device
D.
computer
【简答题】A(n) ____________________ is a multipurpose device that accepts input, processes data, stores data, and produces output, all according to a series of stored instructions.
【简答题】A—operating system B—output device C—password D—photoshop E—random-access memory F—resource management G—surfing H—telenet I—teleservices J—text K—virus L—web M—word processing N—word size O—world wid...
【简答题】A(n) output device, such as a keyboard or mouse, gathers data and transforms it into a series of electronic signals for the computer to store and manipulate. ____________________
【单选题】which device is a combinational circuit that converts binary information from n input lines to a maximum of unique output lines?
A.
encoder
B.
full adder
C.
decoder
D.
comparator
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