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1.1 Q1: Which of the following statements is true?

• Hardware controls software.
• Software controls hardware.
• C is an object-oriented programming language.
• Both (b) and (c) are true.

ANS: b.

1.1 Q2: Which of the following statements a), b) or c) is false?

• Decades ago, most computer applications ran on networked computers.
• Today's applications can be written with the aim of communicating among

the world's computers via the Internet.

• A key intersection between computer science and data science is artificial in-

telligence.

• All of the above statements are true.

ANS: a. Decades ago, most computer applications ran on networked com-

puters. Actually, decades ago, most computer applications ran on "standalone" computers (that is, not networked together).

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1.2 Q1: Which of the following statements is false?

• Computers can perform calculations and make logical decisions phenomenally

faster than human beings can.

• Computers process data under the control of sequences of instructions called

computer programs (or simply programs).

• A computer consists of various physical devices referred to as hardware (such

as the keyboard, screen, mouse, solid-state disks, hard disks, memory,

• Computing costs are rising dramatically, due to the increasing complexity of

hardware and software technologies.

ANS: d. Actually, computing costs are dropping dramatically, due to rapid

developments in hardware and software technologies.

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1.2 Q2: Every year or two, the capacities of computers have approximately dou-

bled inexpensively. This remarkable trend often is called ________.

• the law of large numbers
• the principal of least privilege
• Moore's law
• Wirth's law

ANS: c.

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C How to Program, 9/e Multiple Choice Test Bank 2 of 11

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1.2 Q3: Which logical unit of the computer is the receiving section?

• input unit
• output unit
• memory unit
• central processing unit.

ANS: a.

1.2 Q4: Information in the memory unit is ________. It's typically lost when the computer's power is turned off.

• persistent
• constant
• sticky
• volatile

ANS: d.

1.2 Q5: A gigabyte is approximately one ________ bytes.

• thousand
• million
• billion
• trillion.

ANS: c.

1.2 Q6: The arithmetic and logic unit contains the ________ mechanisms that allow the computer, for example, to compare two items from the memory unit to de- termine whether they're equal.

• decision
• calculation
• addition
• None of the above.

ANS: a.

1.2 Q7: Information on secondary storage devices is ________ — it's preserved

even when the computer's power is turned off.

• volatile
• unstable
• transient
• persistent

ANS: d.

1.2 Q8: Secondary storage information takes much ________ to access than infor-

mation in primary memory, but its cost per unit is much ________.

• less time, less
• longer, less 2 / 4

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• less time, more
• longer, more

ANS: b.

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1.3 Q1: A(n) ________ is the smallest data item in a computer. It can have the value

• or 1.
• bit
• byte
• field
• record

ANS: a.

1.3 Q2: Which of the following statements a), b) or c) is false?

• A computer's character set represents every character as a pattern of 1s and

0s.

• All Unicode

® characters are composed of four bytes (32 bits).

• Unicode contains characters for many of the world's languages.
• All of the above statements are true.

ANS: b. Actually, Unicode

® characters are composed of one, two, three or four bytes (8, 16, 24 or 32 bits, respectively).

1.3 Q3: The most popular database model is the ________ database, in which data

is stored in simple tables.

• network
• graph
• relational
• hierarchical

ANS: c.

1.3 Q4: Which one of the following statements is true?

• a terabyte is larger than a petabyte.
• a kilobyte is exactly 1000 bytes.
• a gigabyte is 1024 megabytes.
• an exabyte is 1024 zettabytes.

ANS: c.

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1.4 Q1: Which of the following statements a), b) or c) is false?

• Any computer can directly understand only its own machine language, de-

fined by its hardware design.

• Translator programs called assemblers convert assembly-language programs 3 / 4

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© Copyright 2016 by Pearson Education, Inc., Hoboken, NJ. All Rights Reserved.to machine language at computer speeds.

• Interpreter programs, developed to execute high-level language programs di-

rectly, avoid the delay of compilation, and run faster than compiled programs.

d) All of the above statements are true.

ANS: c. Actually, interpreter programs run slower than compiled pro-

grams.

1.4 Q2: Which of the following statements is false?

• With the advent of assembly languages, computer usage increased rapidly, but

programmers still had to use numerous instructions to accomplish even the simplest tasks.

• To speed the programming process, high-level languages were developed in

which single statements could be written to accomplish substantial tasks.

• Translator programs called assemblers convert high-level-language source

code into machine language.

• High-level languages instructions look almost like every-day English and con-

tain commonly used mathematical notations.

ANS: c. Actually, those translator programs are compilers. Assemblers con-

vert assembly language programs into machine language.

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1.5 Q1: Windows is a(n) ________ operating system—it's controlled by Microsoft exclusively.

• proprietary
• private
• open source
• None of the above.

ANS: a.

1.5 Q2: ________ is by far the world's most widely used desktop operating system.

• Linux
• MacOS
• Windows
• none of the above

ANS: c.

1.5 Q3: With ________ software development, individuals and companies contrib-

ute their efforts in developing, maintaining and evolving software in exchange for the right to use that software for their own purposes, typically at no charge.

• object-oriented
• high-level
• open-source
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