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Exam 10: Understanding Computer Hardware and Software: From CPUs to Operating Systems

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Question 21

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Utility software provides additional functionality to the operating system.

A) True
B) False

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Question 22

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What software can remove software that is no longer needed?

A) Preventative security software
B) Spyware software
C) Crash-proof software
D) Uninstaller software

E) None of the above
F) All of the above

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Question 23

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Application software is used in computer appliances and special-purpose applications,such as an automobile,ATM,or media player and are used for a single purpose.

A workstation computer is similar to a desktop but has more powerful mathematical and graphics processing capabilities and can perform more complicated tasks in less time.

Explain the difference between primary and secondary storage.

What is roughly 1 million bytes?

Megahertz is the number of billions of CPU cycles per second.

What is a form of a stationary mouse on which the movement of a finger causes the pointer on the screen to move?

What is a small handheld computer that performs simple tasks such as taking notes,scheduling appointments,and maintaining an address book and a calendar?

What performs all arithmetic operations (for example,addition and subtraction) and all logic operations?

What is the size of the internal electrical pathway along which signals are sent from one part of the computer to another?

A single user license restricts the use of the software to one user at a time.

Multitasking allows more than one piece of software to be used at a time.Multitasking is used when creating a graph in Excel and simultaneously printing a word processing document.

List the common input,output,storage,and communication devices.

Which of the following represents megahertz?

What interprets software instructions and literally tells the other hardware devices what to do,based on the software instructions?

Complex instruction set computer (CISC)chips,which is a type of CPU that can recognize as many as 100 or more instructions,enough to carry out most computations directly.

Identify the different computer categories and explain their potential business uses.

A handheld computer portable enough to fit in a purse or pocket and has its own power source or battery.

Volatility refers to a device's ability to function with or without power.RAM is volatile,meaning it must have constant power to function; its contents are lost when the computer's electric supply fails.