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.
WhatisthestandardIRQforthekeyboard？（）A.9B.0C.1D.7
单项选择题What is the standard IRQ for the keyboard？（）
A.9 B.0 C.1 D.7
Whichcleaningproductshouldbeusedfortheinsideofacomputer...
单项选择题Which cleaning product should be used for the inside of a computer？（）
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
Whenreplacingapowersupply，whatMUSTthetechnicianobserve？...
单项选择题When replacing a power supply， what MUST the technician observe？（）
A.voltage B.current C.wattage D.resistance
