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Chaptern 1n IntroductionntonComputers,n Programs,n and n Javan S
ectionn 1.2n What n isn an Computer?
1. isn then physicaln aspect n of n then computern that n cann ben seen.
a. Hardware
b. Software
c. Operatingn system
d. Applicationn program
Key:an Seen then first n paragraphn inn Sectionn 1.2.
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Sectionn 1.2.1n What n isn an Computer?
2. isn then brainn of n an computer.
a. Hardware
b. CPU
c. Memory
d. Disk
Key:bn Seen then first n paragraphn inn Sectionn 1.2.1.
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3. Then speed n of n then CPU n mayn ben measured n in .
a. megabytes
b. gigabytes
c. megahertz
d. gigahertz
Key:cd n Seen then third nparagraphn inn Sectionn 1.2.1.n1nmegahertzn equalsn 1nmillionn pulsesn pern second n and n1n gigahertzn isn 1000n
megahertz.
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Sectionn 1.2.2n Bitsn and n Bytes
4. Whyn don computersn usen zerosn and n ones?
a. becausen combinationsn of n zerosn and n onesn cann represent n anyn numbersn and n characters.
b. becausen digitaln devicesn haven twon stablen statesn and n it n isn naturaln ton usen onen staten forn 0n and n then othern forn 1.
c. becausen binaryn numbersn aren simplest.
d. becausen binaryn numbersn aren then basesn uponn whichn alln othern numbern systemsn aren built.n
Key:bn Seen then second n paragraphn inn Sectionn 1.2.2.
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5. Onen byten has bits.
a. 4
b. 8
c. 12
d. 16
Key:bn Seen then thrid n paragraphn inn Sectionn 1.2.2.
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5. Onen gigabyten isn approximately bytes.
a. 1n million
b. 10n million
c. 1n billion
d. 1n trillion
Key:cn Seen then fifthn paragraphn inn Sectionn 1.2.2.
©n2020 nPearsonnEducation,nInc.,nHoboken,nNJ.nAllnrightsnreserved.nThisnmaterialnisnprotectednunder nallncopyrightnlawsnasntheyncurrentlynexist
.
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#
Sectionn 1.2.3n Memory
6. A n programn and n itsn datan must n ben moved n inton then computer's beforen theyn cann ben executed n byn then CPU.
a. memory
b. hard n disk
c. CPU
d. CD-ROM
Key:an Seen then first n paragraphn inn Sectionn 1.2.3.
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Sectionn 1.2.4n Storagen Devices
6.n A n computer's isn volatile;n that n is,n anyn informationn stored n inn it n isn lost n whenn then system'sn powern isn turned n off.
a. memory
b. hard n disk
c. flashn stick
d. CD-ROM
Key:an Seen then first n paragraphn inn Sectionn 1.2.4.
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6. Whichn of n then followingn aren storagen devices?
a. portablen disk
b. hard n disk
c. flashn stick
d. CD-ROM
Key:abcd n Seen then second n paragraphn inn Sectionn 1.2.4.
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Sectionn 1.2.5n Input n and n Output n Devices
7. The specifiesn then numbern of n pixelsn inn horizontaln and n verticaln dimensionsn of n then displayn device.
a. screenn resolution
b. pixel
c. dot n pitch
d. monitor
Key:an Seen then third n last n paragraphn inn Sectionn 1.2.5.
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Sectionn 1.2.6n Communicationsn Devices
7. isn an devicen ton connect n an computern ton an localn arean networkn (LAN).
a. Regularn modem
b. DSL
c. Cablen modem
d. NIC
Key:d n Seen then bullet n itemsn inn Sectionn 1.2.6.
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Sectionn 1.3n Programn Languages
8. aren instructionsn ton then computer.
a. Hardware
b. Software
c. Programs
d. Keyboards
Key:bcn Seen then Keyn Point ninn Sectionn 1.3.n#
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9. Computern cann executen then coden in .
a. machinen language
b. assemblyn language
c. high-leveln language
d. nonen of n then above
Key:an Seen then first n paragraphn inn Sectionn 1.3.1.
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10. translatesn high-leveln languagen programn inton machinen languagen program.
a. Ann assembler
b. A n compiler
c. CPU
d. Then operatingn system
Key:bn Seen then first n paragraphn aftern Tablen 1.1n inn Sectionn 1.3.3.
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Sectionn 1.4n Operatingn Systems
11. isn ann operatingn system.
a. Java
b. C++
c. Windows
d. Visualn Basic
e. Ada
Key:cn Seen then first n paragraphn inn Sectionn 1.4.
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12. isn an programn that n runsn onn an computern ton managen and n controln an computer'sn activities.
a. Operatingn system
b. Java
c. Modem
d. Interpreter
e. Compiler
Key:an Seen then first n paragraphn inn Sectionn 1.4.
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Sectionn 1.5n Java,n World n Widen Web,n and n Beyond
14. Duen ton securityn reasons,n Java cannot n runn fromn an Webn browsern inn then new n versionn of n Java.
a. applications
b. applets
c. servlets
d. Micron Editionn programs
Key:bn Seen then last n paragraphn inn Sectionn 1.5.
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15. n isn not n ann object-oriented n programmingn language.
a. Java
b. C++
c. C
d. C#
e. Python
Key:cn Seen Tablen 1.1n inn Sectionn 1.3.1.
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16. n isn interpreted.
©n2020 nPearsonnEducation,nInc.,nHoboken,nNJ.nAllnrightsnreserved.nThisnmaterialnisnprotectednunder nallncopyrightnlawsnasntheyncurrently
exist.