INTRODUCTION TO
JAVA
PROGRAMMING
AND DATA
STRUCTURES
COMPREHENSIVE
VERSION, 12TH
EDITION, Y. DANIEL
LIANG
, Chapter 1 Introduction to Computers, Programs, and Java
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Section 1.2 What is a Computer?
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1. is the physical aspect of the computer that can be seen.
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a. Hardware
b. Software
c. Operating system Y5
d. Application program Y5
Key:a See the first paragraph in Section 1.2.
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Section 1.2.1 What is a Computer?
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2. is the brain of a computer. Y5 Y5 Y5 Y5 Y5
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
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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
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is 1000 megahertz.
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Section 1.2.2 Bits and Bytes
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4. Why do computers use zeros and ones?
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a. because combinations of zeros and ones can represent any numbers and characters.
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b. because digital devices have two stable states and it is natural to use one state for 0 and the other for 1.
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c. because binary numbers are simplest.
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d. because binary numbers are the bases upon which all other number systems are
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built. Key:b See the second paragraph in Section 1.2.2.
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5. One byte has Y5 bits. Y5
a. 4
b. 8
c. 12
d. 16
Key:b See the thrid paragraph in Section 1.2.2.
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5. One gigabyte is approximately
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a. 1 million
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b. 10 million Y5
c. 1 billion
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d. 1 trillion
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Key:c See the fifth paragraph in Section 1.2.2.
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© 2020 Pearson Education, Inc., Hoboken, NJ. All rights reserved. This material is protected under all copyright laws as they currently exist.
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Section 1.2.3 Memory Y5 Y5
6. A program and its data must be moved into the computer's
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a. memory
b. hard disk Y5
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
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6. A computer's
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off.
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a. memory
b. hard disk Y5
c. flash stick Y5
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?
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a. portable disk Y5
b. hard disk Y5
c. flash stick Y5
d. CD-ROM
Key:abcd See the second paragraph in Section 1.2.4.
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Section 1.2.5 Input and Output Devices
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7. The specifies the number of pixels in horizontal and vertical dimensions of the display device. Y5 Y5 Y5 Y5 Y5 Y5 Y5 Y5 Y5 Y5 Y5 Y5 Y5
a. screen resolution Y5
b. pixel
c. dot pitch Y5
d. monitor
Key:a See the third last paragraph in Section 1.2.5.
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Section 1.2.6 Communications Devices
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7. is a device to connect a computer to a local area network (LAN).
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a. Regular modem Y5
b. DSL
c. Cable modem Y5
d. NIC
Key:d See the bullet items in Section 1.2.6.
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Section 1.3 Program Languages
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8. are instructions to the computer. Y5 Y5 Y5 Y5
a. Hardware
b. Software
c. Programs
d. Keyboards
Key:bc See the Key Point in Section
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1.3. #
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© 2020 Pearson Education, Inc., Hoboken, NJ. All rights reserved. This material is protected under all copyright laws as they currently exist.
, 9. Computer can execute the code in Y5 Y5 Y5 Y5 Y5 .
a. machine language Y5
b. assembly language Y5
c. high-level language Y5
d. none of the above Y5 Y5 Y5
Key:a See the first paragraph in Section 1.3.1.
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10. translates high-level language program into machine language program. Y5 Y5 Y5 Y5 Y5 Y5 Y5
a. An assembler Y5
b. A compiler Y5
c. CPU
d. The operating system
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Key:b See the first paragraph after Table 1.1 in Section 1.3.3.
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Section 1.4 Operating Systems
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11. is an operating system. Y5 Y5 Y5
a. Java
b. C++
c. Windows
d. Visual Basic Y5
e. Ada
Key:c See the first paragraph in Section 1.4.
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12. is a program that runs on a computer to manage and control a computer's activities.
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a. Operating system Y5
b. Java
c. Modem
d. Interpreter
e. Compiler
Key:a See the first paragraph in Section 1.4.
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Section 1.5 Java, World Wide Web, and Beyond
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14. Due to security reasons, Java
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a. applications
b. applets
c. servlets
d. Micro Edition programs Y5 Y5
Key:b See the last paragraph in Section 1.5.
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15. is not an object-oriented programming language.
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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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16. is interpreted.
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© 2020 Pearson Education, Inc., Hoboken, NJ. All rights reserved. This material is protected under all copyright laws as they
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currently exist. Y5 Y5