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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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What is roughly 1 million bytes?

A) Megabyte
B) Terabyte
C) Kilobyte
D) Gigabyte

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Question 22

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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.

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Question 23

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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.

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

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

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

Which of the following represents megahertz?

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

Explain the difference between primary and secondary storage.

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.

What software can remove software that is no longer needed?

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

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.

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

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

Utility software provides additional functionality to the operating system.

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

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

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

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.