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Test Bank - Exams: Visual C# How to Program by Deitel,
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Test Bank 1CH. 1—Introduction t_o Computers, th_e Internet an_d Visual C#
Test Item File
1.1 Introduction
1. Computers process data, using sets of instructions called ________.
a. softgoods
b. computer programs
c. recipes
d. hardware
Ans:b
Section 1.2 Computers an_d th_e Internet in Industry an_d Research
1. Which of th_e following statements is false?
a. Cloud computing allows you t_o use software, hardware an_d information stored on remote computers via
th_e Internet an_d available on demand—rather than having it stored on your personal computer.
b. Electronic health records enable health care providers t_o share patients’ information across a secure network,
improving patient care, reducing th_e probability of error an_d increasing overall efficiency of th_e health care
system.
c. Global Positioning System (GPS. devices a single satellite t_o retrieve location-based information.
d. Th_e Human Genome Project was founded t_o identify an_d analyze th_e 20,000+ genes in human DNA.
ANS: c. Global Positioning System (GPS. devices use a network of satellites t_o retrieve location-based
information.
2. Which of th_e following statements is false?
a. Cloud computing allows you t_o use software, hardware an_d information stored in th_e “cloud”—i.e.,
accessed on remote computers via th_e Internet an_d available on demand—rather than having it stored on your
personal computer.
b. Cloud computing services allow you t_o increase or decrease resources t_o meet your needs at any given
time, so they can be more cost effective than purchasing expensive hardware t_o ensure tha_t you have enough
storage an_d processing power t_o meet your needs at their peak levels.
c. Businesses using cloud computing services must still manage th_e applications, which can be costly.
d. Both (a. an_d (c. .
ANS: c. Businesses using cloud computing services must still manage th_e applications, which can be
costly. Actually, using cloud computing services shifts th_e burden of managing applications from th_e
business t_o th_e service provider, saving businesses money.
3. Microsoft’s ________ is a cloud computing platform tha_t allows you t_o develop, manage an_d distribute
your apps in th_e cloud.
a. Common Language Runtime
b. Windows Azure
c. virtual machine
d. Windows 8
Ans:b
4. Which of th_e following statements is false?
,Test Bank 2
a. Cloud computing allows you t_o use software, hardware an_d information stored in th_e “cloud”—i.e.,
accessed on remote computers via th_e Internet an_d available on demand—rather than having it stored on your
personal computer.
b. Cloud computing services allow you t_o increase or decrease resources t_o meet your needs at any given
time, so they can be more cost effective than purchasing expensive hardware t_o ensure tha_t you have enough
storage an_d processing power t_o meet your needs at their peak levels.
c. Businesses using cloud computing services must still manage th_e applications, which can be costly.
d. Both (a. an_d (c. .
Ans:c. Actually, using cloud computing services shifts th_e burden of managing applications from th_e
business t_o th_e service provider, saving businesses money.
1.3 Hardware an_d Software
1. Th_e cost of computing power an_d communications bandwidth has been
a. about th_e same each year.
b. going up.
c. going down.
d. undetermined.
Ans:c
1.3.1 Moore's Law
1. ______ Law states tha_t every year or two, th_e computing power of computers doubles without any increase
in price.
a. Gate’s
b. Moore’s
c. Henderson’s
d. None of th_e above.
Ans:b
1.3.2 Computer Organization
1. Every computer can be divided into 6 basic units. They are:
a. monitor, mouse, keyboard, hard drive, processor an_d disk drives.
b. input, output, primary storage, secondary storage, memory an_d ALU.
c. input, output, memory, ALU, CPU an_d secondary storage.
d. input, output, primary storage, secondary storage, CPU, memory.
Ans:c
2. Th_e purpose of th_e ALU is:
a. t_o store permanent data.
b. t_o store temporary data.
c. t_o cool th_e computer down an_d prevent overheating.
d. t_o perform basic math an_d logical comparisons for th_e computer.
Ans:d
,Test Bank 3
3. T/F Input devices allow th_e computer t_o receive data. They are things such as a keyboard or mouse.
Ans:True.
4. T/F Th_e CPU is th_e heart of th_e computer. It tells th_e computer when input is received an_d when output
should be displayed. It also helps in th_e storage of data t_o memory.
Ans:True.
5. T/F Secondary storage stores data for large amounts of time.
Ans:True.
6. T/F Logical decisions are made by th_e CPU.
Ans:False. Logical decisions are made by th_e Arithmetic Logic Unit (ALU. .
1.4 Data Hierarchy
1. Which of th_e following statements is false?
a. Th_e impressive functions performed by computers involve only th_e simplest manipulations of 1s an_d 2s.
b. ASCII is a popular subset of Unicode.
c. Fields are composed of characters or bytes.
d. On some operating systems, a file is viewed simply as a sequence of bytes.
ANS: a. Th_e impressive functions performed by computers involve only th_e simplest manipulations of
1s an_d 2s . It's 1s an_d 0s.
2. Which of th_e following data items are arranged from th_e smallest t_o th_e largest in th_e data hierarchy.
a. records, characters, fields, bits, files.
b. bits, files, fields, records, characters.
c. fields, characters, bits, files, records.
d. bits, characters, fields, records, files.
ANS: d. bits, characters, fields, records, files.
3. Binary code is actually:
a. a complex programming language.
b. a series of 0’s an_d 1’s.
c. machine language instructions.
d. a series of characters representing th_e numbers 0 t_o 9.
Ans:b
4. Computer circuitry is able t_o:
a. get th_e value of a bit
b. examine th_e value of a bit
c. reverse th_e value of a bit
d. All of th_e above
Ans:d
, Test Bank 4
5. Th_e smallest data item in a computer is th_e _________.
a. bit
b. byte
c. kilobyte
d. None of th_e above.
Ans:a
6. One byte is composed of:
a. 2 bits
b. 4 bits
c. 8 bits
d. 10 bits
Ans:c
7. An example of when a file should not be used is:
a. t_o save th_e status of a video game for another session.
b. t_o save th_e value of a variable at runtime.
c. t_o log errors in th_e execution of a program.
d. these are all good examples of when files should be used.
Ans:b
8. In a ____________ file, a record typically stored in order by a record-key field.
a. chronological
b. non-sequential
c. sequential
d. record-key
Ans:c
9. T/F T_o distinguish fields or records there has t_o be one tha_t is different from every other, this is called
th_e record key.
Ans:True.
10. T/F Characters in C# are Unicode characters, each represented by one byte.
Ans:False. A character in C# is represented by two bytes.
1.5 Machine Languages, Assembly Languages an_d High-Level Languages
1. Th_e order of simplicity t_o a human of th_e three basic types of languages is: (easiest t_o hardest.
a. high-level, assembly, machine
b. assembly, machine, high-level
c. machine, high-level, assembly
d. machine, assembly, high-level
Ans:a
2. Machine languages _______.
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