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Exam 22: B: Extension: A Hardware and Software Basics

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Question 1

True/False

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

A) True
B) False

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Question 2

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Utility software provides additional functionality to the operating system.

A) True
B) False

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Question 3

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What is an older secondary storage medium that uses a strip of thin plastic coated with a magnetically sensitive recording medium?

Preventative security software uses programs such as Window Washer, erases file histories, browser cookies, cache contents, and other crumbs that applications and Windows leave on a hard drive.

A computer is an electronic device operating under the control of instructions stored in its own memory that can accept, manipulate, and store data.

A desktop computer is an electronic book that can be read on a computer or special reading device.Some are small enough to carry around, while others are the size of a telephone booth.

Safe mode occurs if the system is failing and will load only the most essential parts of the operating system and will not run many of the background operating utilities.

Presentation graphics create and enhance charts and graphs so that they are visually appealing and easily understood by an audience.

What limits the number of instructions the CPU can execute to increase processing speed?

Crash-proof software helps save information if a computer crashes.

Memory cards contain high-capacity storage that holds data such as captured images, music, or text files.

Graphics or Microsoft PowerPoint includes facilities for making a wide variety of charts and graphs and for adding titles, legends, and explanatory text anywhere in the chart or graph.

Which of the following represents megahertz?

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.

What software organizes information on a hard disk in the most efficient way?

What is the term for the number of billions of CPU cycles per second?

What is a special type of rewritable read-only memory (ROM) that is compact and portable?

Explain the difference between primary and secondary storage.

A hard drive is a secondary storage medium that uses several rigid disks coated with a magnetically sensitive material and housed together with the recording heads in a hermetically sealed mechanism.

Complex instruction set computer chips limit the number of instructions the CPU can execute to increase processing speed.