单项选择题
Where are the first computer instructions available when a microcomputer is powering up？（）
A.floppy drive
B.boot.ini
C.ROM
D.config.sys
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单项选择题
WhatistheMOSTsignificantdifferencebetweenEDORAMandfastpagemodeDRAM？（）
A.EDO RAM is faster.
B.EDO RAM is slower.
C.EDO RAM is smaller.
D.EDO RAM is cheaper. -
单项选择题
WhatisthestandardIRQforthekeyboard？（）
A.9
B.0
C.1
D.7 -
单项选择题
Whichcleaningproductshouldbeusedfortheinsideofacomputer？（）
A.glass cleaner
B.a simple ammonia and water solution followed by an antistatic solution
C.a bleach solution followed by water
D.compressed air
