EP 0140Daily Life

Buying a Computer

核心词汇

I have no ideaphrase

to be completely unaware of something

freezeprinciple verb, present simple

to suddenly stop functioning

where (something) is goingphrase

the direction of an event

ever changingphrase

always becoming different

obsoleteAdjective

no longer useful

programcommon noun, singular

a computer application

gigabyte random access memorycommon noun, plural

unit to measure a computer’s storage capacity part of computer that temporarily stores informati

hard diskphrase

part of computer that stores data

gigahertzcommon noun, nonvariable

measurement of computer processor speed

processorcommon noun, singular

device in a computer that manages operations

crashprinciple verb, present progressive

to suddenly stop functioning

guaranteeprinciple verb, present simple

to make a written promise

拓展词汇

warrantycommon noun, singular

a written promise that a seller will repair a product if a problem arises

laptopcommon noun, singular

a portable computer

networkcommon noun, singular

a system for communicating between computers

evolveverb

to change into a more advanced state

wireless mocommon

a device that allows

demnoun, singular

computers to communicate without wires