TEST BANK FOR
INTRODUCTION TO
JAVA
PROGRAMMING
AND DATA
STRUCTURES
COMPREHENSIVE
VERSION, 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.
#
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.
#
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.
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5. One byte has bits.
a. 4
b. 8
c. 12
d. 16
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.
,#
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.
#
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.
#
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.
#
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.
#
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.
#
, 9. Computer can execute the code in .
a. machine language
b. assembly language
c. high-level language
d. none of the above
Key:a See the first paragraph in Section 1.3.1.
#
10. translates high-level language program into machine language program.
a. An assembler
b. A compiler
c. CPU
d. The operating system
Key:b See the first paragraph after Table 1.1 in Section 1.3.3.
#
Section 1.4 Operating Systems
11. is an operating system.
a. Java
b. C++
c. Windows
d. Visual Basic
e. Ada
Key:c See the first paragraph in Section 1.4.
#
12. is a program that runs on a computer to manage and control a computer's activities.
a. Operating system
b. Java
c. Modem
d. Interpreter
e. Compiler
Key:a See the first paragraph in Section 1.4.
#
Section 1.5 Java, World Wide Web, and Beyond
14. Due to security reasons, Java cannot run from a Web browser in the new version of Java.
a. applications
b. applets
c. servlets
d. Micro Edition programs
Key:b See the last paragraph in Section 1.5.
#
15. is not an object-oriented programming language.
a. Java
b. C++
c. C
d. C#
e. Python
Key:c See Table 1.1 in Section 1.3.1.
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