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

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

A.9
B.0
C.1
D.7

单项选择题

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