AnswersComputer Science FoundationsThe Evolution of the Computer

The Evolution of the Computer — Unit test Answers

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1
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If you wanted to keep track of your favorite links and your logins for certain web pages, which two web browser features are you most likely to use?

A
back and forward buttons and bookmarking
B
bookmarking and password manager
C
smart location bar and address bar
D
address bar and password manager
2
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What is the best way to protect against the loss of important files?

A
firewalls
B
antivirus software
C
backup files
D
secure passwords
3

Why should characters such as / \ " ' * ; - ? [ ] ( ) ~ ! $ { } < > # @ & | space, tab, and newline be avoided in file names?

A
They are not descriptive of a file’s contents.
B
They are confusing to users.
C
File names are only permitted to contain letters and numbers.
D
They may have special meaning to the operating system.
4

A computer program that enables users to create and work with files and folders is called what?

A
a web browser
B
a file manager
C
a user interface
D
a file reader
5

Which of the following is most often a barrier to software migration?

A
It’s easier to continue using an out-of-date software program as long as possible.
B
It’s usually cheaper to upgrade software than it is to purchase a new product.
C
It’s difficult to find new software that is secure enough to replace the old software.
D
It’s not possible to keep old data when migrating to a new software program.
6

What development in operating systems happened between the years 1990 and 2000?

A
Developers stopped creating GUIs.
B
Konrad Zeuse developed the Z1 computer.
C
Batch processing was used for the first time.
D
The Linux operating system was released.
7

What statement best describes the Microsoft Windows operating system?

A
Microsoft Windows is a relatively secure operating system.
B
Microsoft Windows is not a secure operating system.
C
Microsoft Windows is usually available for free or at a low cost.
D
Microsoft Windows can only run three applications.
8

What do Dynamic-Link Library (DLL) files do?

A
send out error messages when the operating system finds an error it can’t recover from
B
provide operating systems with information about performing specific computing functions
C
save serial numbers and keys in order to avoid software installation issues
D
finds files that aren’t being used and then deletes them to create hard drive space
9

What operating system is a smartphone most likely to use?

A
BSD
B
Mac OS X
C
Symbian
D
Linux
10

What is a patch?

A
a software update that contains fixes for bugs or security issues
B
a software update that completely replaces the software with a new, free update
C
a system that migrates software programs from one server to another server
D
a system that keeps track of the version numbers of a software program
11

What is the correct order of the phases of the software development process?

A
Evaluation, requirements specification, design, development, maintenance
B
Requirements specification, development, design, evaluation, maintenance
C
Design, development, evaluation, maintenance, requirements specification
D
Requirements specification, design, development, evaluation, maintenance
12

What does a file association specify?

A
the software needed to open a file
B
the file’s author
C
the file’s directory path
D
a list of related files
13

Computer files have names that consist of which two parts?

A
base file name and file name prefix
B
long file name and short file name
C
base file name and file creation date
D
base file name and file name extension
14

What are the two parts of the platform used to run application software?

A
GUI and HCI
B
hardware and operating system
C
kernel and software configuration
D
application base and operating system
15

Which of the following is a disadvantage of using open source software?

A
Users aren’t able to customize the software to meet their needs.
B
The software is usually very expensive.
C
Training and help files may be harder to find.
D
The software developer is in control, not the user.

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