【答案资料】大工17秋《专业英语计算机英语》在线测试3

欧阳老师

单选题(4分)
An()isamonetarytranscationfromthecustomertothevendorovertheInternetbycreditcarddigitalcashewalletsandsmartcards.大连理工大学答案

AElectronicCommerce
BCreditcard
COnlinepayment
Dnoneoftheabove
正确答案C
2单选题(4分)
Thetechnicaldevelopmentthatmarksthethirdgenerationofcomputersistheuseof()incomputers.
A&ltp&gtvacuumtubes&lt/p&gt
Bintegratedcircuits
Ctransistors
Dvirtualmemory
正确答案B
3单选题(4分)
()theprocessofchangingplaintextdataintoencipheredtextthroughanalgorithm.
ADecrypt
BEncryption
CAuthenticate
DHacker
正确答案B
4单选题(4分)
()alsocalledcommunicationsnetworkasystemofinterconnectedcomputerstelephonesorothercommunicationsdevices.
AProtocol
BNode
CPacket
DNetwork
正确答案
5单选题(4分)
Processingisdoneinsidethecomputerinanareacalledthe().
Ainputdevices
Boutputdevices
Csystemunit
Dcentralprocessingunit
正确答案
6单选题(4分)
A（）alsocalledasiliconchiporsemiconductorisasmallpieceofsiliconthatcontainsthousandsofmicrominiatureelectroniccircuitcomponentsmainlytransistors.
Abus
Bchip
Cport
Dkeyboard
正确答案B
7单选题(4分)
（）istheelectronicdevicethatinterpretsandcarriesoutthebasicinstructionsthatoperatethecomputer.
AProcessor
Bhardware
Cmemory
DCPU
正确答案A
8单选题(4分)
()alsocalledaPersonalcomputerorPCdefinesacomputerwhichisdesignedforgeneralusebyasingleperson.Itcanperformallofitsinputtingprocessingoutputtingandstorageactivitiesbyitself.
AMicrocomputer
BSupercomputer
CMainframe
DMinicomputer
正确答案A
9单选题(4分)
Theprocessoftranslatinginstructionsintocommandsiscalled().
Adecoding
Bregister
Cdigital
Dport
正确答案A
10单选题(4分)
A（）isacommunicationdevicethatenablescomputerstocommunicateviatelephonelinesorcable.
Amodem
Bhardware
Csoftware
Dprocessor
正确答案A

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