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Test Bank File - Visual Basic 2012 How to Program - Deitel,

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Test Bank 1




Ch. 1 – Introduction t_o Computers, th_e Internet an_d Visual Basic
1.1 Introduction
1. Computers process data, using sets of instructions called ________.
a. softgoods
b. computer programs
c. recipes
d. hardware
Ans: b. Computer programs.

2. _________-oriented programming models real-world entities with software
counterparts.
a. Action
b. Model
c. Object
d. Procedure
Ans: c. Object.


1.2 Hardware an_d Moore’s Law
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 dramatically.
d. undetermined.
Ans: c. Going down dramatically.

2. ______ Law states that every year or two, th_e computing power of computers
approximately doubles without any increase in price.
a. Gate’s
b. Moore’s
c. Henderson’s
d. None of th_e above.
Ans: b. Moore’s.

,Test Bank 2



1.3 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 fr_om 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.

1.4 Computer Organization
1. Every computer can be divided into six 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. Input, output, memory, ALU, CPU an_d secondary storage.

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. T_o perform basic math an_d logical comparisons for th_e computer.

3. Input devices are things such as a keyboard or mouse that allow th_e computer
t_o receive data.

,Test Bank 3



Ans: True.

4. Th_e CPU supervises th_e operation of a computer’s input unit, output unit,
memory unit, secondary storage unit an_d arithmetic an_d logic unit.
Ans: True.

5. Secondary storage stores data only while th_e computer is turned on.
Ans: False. Secondary storage is used for long term storage of data, even when
th_e computer is turned off.


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. High-level, assembly, machine.

2. Machine languages _______.
a. are machine dependent.
b. are universal between all machines.
c. consist of numbers an_d letters.
d. need t_o be translated in order for th_e machine t_o understand commands.
Ans: a. Are machine dependent.

3. An assembler converts assembly language programs into machine language.
Ans: True

4. High-level computer language programs are directly understood by a computer.
Ans: False. They are easily understood by humans, but must be converted into
machine language in order for a computer t_o understand them.


1.6 Object Technology

, Test Bank 4



1. Th_e color, size, weight an_d speed of an object are examples of its _________.
a. attributes.
b. behaviors.
c. classes.
d. requirements.
Ans: a. Attributes.

2. Almost any __________ can be reasonably represented as an object.
a. verb
b. behavior
c. adjective
d. noun
Ans: d. Noun.
3. Objects normally are not allowed t_o know how other objects are implemented.
This is called __________.
a. encarceration
b. information hiding
c. blindfolding
d. inheritance
Ans: b. Information hiding.

1.7 Internet an_d th_e World Wide Web
1. Th_e W3C is an organization that:
a. maintains an_d runs th_e internet.
b. removes junk an_d broken links fr_om th_e web.
c. developed e-mail.
d. helps t_o develop web technologies.
Ans: d. Helps t_o develop web technologies.

2. Th_e _______ is a collection of hardware an_d software associated with th_e
Internet that allows computer users t_o locate an_d view multimedia-based
documents on almost any subject.
a. HyperText Markup Language
b. HyperText Transfer Protocol
c. World Wide Web
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