Testbank for introduction to java programming and data structures 12th edition y daniel liang

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, Testbank for introduction to |! |! |!




java programming and
|! |! |!




data structures 12th edition
|! |! |! |!




y daniel liang
|! |! |!




Chapter |!1 |!Introduction |!to |!Computers, |!Programs, |!and |!Java

Section |!1.2 |!What |!is |!a |!Computer?
|!

1. is |!the |!physical |!aspect |!of |!the |!computer |!that |!can |! be | ! seen.
a. Hardware
b. Software
c. Operating |!system
d. Application |!program
Key:a |!See |!the |!first |!paragraph |!in |!Section |!1.2.

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Section |!1.2.1 |!What |!is |!a | ! Computer?
2. is |!the |!brain |!of |!a | ! computer.
a. Hardware
b. CPU
c. Memory
d. Disk
Key:b |! See |! the |!first |!paragraph |!in |!Section |!1.2.1.

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3. The |!speed |!of |!the |!CPU |! may |!be |! measured |! in .
a. megabytes
b. gigabytes
c. megahertz
d. gigahertz
Key:cd |!See |!the |!third |!paragraph |!in |!Section |!1.2.1. |!1 |!megahertz |!equals |!1 |!million |!pulses |!per |!second |!and |!1 |!gigahertz |!is
|!1000 |!megahertz.




#
Section |!1.2.2 |!Bits |!and |! Bytes
4. Why |! do |!computers |!use |!zeros |!and | ! ones?
a. because |!combinations |!of |!zeros |!and |!ones |!can |! represent |!any | ! numbers |! and |!characters.
b. because |!digital |!devices |!have |!two |!stable |! states |!and |! it |!is |!natural |!to |!use |!one |! state |! for |!0 |!and |! the |!other |!for |!1.
c. because |!binary |!numbers | ! are |!simplest.
d. because |!binary |!numbers |!are |!the |!bases |!upon |!which |!all |!other |!number |!systems |!are
|!built. |!Key:b |!See |!the |!second |!paragraph |!in |!Section |!1.2.2.




#
5. One |!byte |!has bits.
a. 4
b. 8
c. 12
d. 16
© |!2020 |!Pearson |!Education, |!Inc., |!Hoboken, |!NJ. |!All |!rights |!reserved. |!This |!material |!is |!protected |!under |!all |!copyright |!laws |!as |!they
|! currently |!exist.

, Key:b |! See |! the |!thrid |!paragraph |!in |!Section |!1.2.2.

#
5. One |!gigabyte |! is |!approximately bytes.
a. 1 |!million
b. 10 |!million
c. 1 |!billion
d. 1 |!trillion
Key:c |!See |!the |!fifth |!paragraph |!in |!Section |!1.2.2.




© |!2020 |!Pearson |!Education, |!Inc., |!Hoboken, |!NJ. |!All |!rights |!reserved. |!This |!material |!is |!protected |!under |!all |!copyright |!laws |!as |!they
|! currently |!exist.

, https://browsegrades.net/singlePaper/416795/testbank-for-introduction-to-java-programming-an
#
Section |!1.2.3 |!Memory
6. A |!program |! and |! its |!data |!must |! be |! moved |!into |!the |!computer's before |!they |!can |! be |!executed |!by |!the |!CPU.
a. memory
b. hard |!disk
c. CPU
d. CD-ROM
Key:a |!See |!the |!first |!paragraph |!in |!Section |!1.2.3.

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Section |!1.2.4 |!Storage |!Devices
6. |!A |!computer's is |!volatile; |!that |!is, |!any |! information |!stored |! in |! it |!is |!lost |! when |!the |!system's |!power |!is |!turned
|!off.

a. memory
b. hard |!disk
c. flash |! stick
d. CD-ROM
Key:a |!See |!the |!first |!paragraph |!in |!Section |!1.2.4.

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6. Which |!of |!the |!following |! are |!storage |!devices?
a. portable |!disk
b. hard |!disk
c. flash |! stick
d. CD-ROM
Key:abcd |!See |!the |!second |!paragraph |!in |!Section |!1.2.4.

#
Section |!1.2.5 |!Input |!and | ! Output |!Devices
7. The specifies |!the |!number |!of |!pixels | ! in |!horizontal |!and | ! vertical |!dimensions |!of |!the |!display | ! device.
a. screen |!resolution
b. pixel
c. dot |!pitch
d. monitor
Key:a |!See |!the |!third |! last |!paragraph |!in |!Section |!1.2.5.

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Section |!1.2.6 |!Communications |!Devices
7. is |!a |! device |!to |!connect |!a | ! computer |!to |!a |! local | ! area |!network |!(LAN).
a. Regular |!modem
b. DSL
c. Cable |! modem
d. NIC
Key:d |! See |! the |!bullet |!items |!in |!Section |!1.2.6.

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Section |!1.3 |!Program | ! Languages
8. are |!instructions |!to |!the |!computer.
a. Hardware
b. Software
c. Programs
d. Keyboards
Key:bc |!See |!the |!Key |!Point |!in |!Section

|! 1.3. |!#
© |!2020 |!Pearson |!Education, |!Inc., |!Hoboken, |!NJ. |!All |!rights |!reserved. |!This |!material |!is |!protected |!under |!all |!copyright |!laws |!as |!they
|! currently |!exist.