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Exam 10: Hardware and Software Basics

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Question 41

True/False

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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.

A) True
B) False

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Question 42

Multiple Choice

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What is the number of bits (0s and 1s) that can be processed by the CPU at any one time?

A) Clock speed
B) Word length
C) Bus width
D) Chip line width

E) B) and C)
F) A) and B)

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Question 43

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What removes any software that employs a user's Internet connection in the background without the user's knowledge or explicit permission?

Personal information management (PIM)software handles contact information, appointments, task lists, and email.

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

Random access memory is the portion of a computer's primary storage that does not lose its contents when one switches off the power.

What uses programs such as Window Washer which erases file histories, browser cookies, cache contents, and other crumbs that applications and Windows leave on a hard drive?

What is a computer designed to meet the computing needs of hundreds of people in a large business environment?

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

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

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

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

Spyware can remove software that is no longer needed.

A mainframe computer is designed to meet the computing needs of hundreds of people in a large business environment. Mainframe computers are a step up in size, power, capability, and cost from minicomputers.

What software controls how the various technology tools work together along with the application software?

What is the computer's main memory, which consists of the random access memory (RAM) , cache memory, and read-only memory (ROM) that is directly accessible to the CPU?

Disk image is software for data recovery and relieves the burden of reinstalling applications if a hard drive crashes or becomes irretrievably corrupted.

Random access memory (RAM)is the computer's primary working memory, in which program instructions and data are stored so that they can be accessed directly by the CPU via the processor's high-speed external data bus.

Personal digital assistant (PDA)is a small handheld computer that performs simple tasks such as taking notes, scheduling appointments, and maintaining an address book and a calendar. The PDA screen is touch-sensitive, allowing a user to write directly on the screen, capturing what is written.

Operating system software controls the application software and manages how the hardware devices work together. When using Excel to create and print a graph, the operating system software controls the process, ensures that a printer is attached and has paper, and sends the graph to the printer along with instructions on how to print it. Some computers are configured with two operating systems so they can dual boot- provide the user with the option of choosing the operating system when the computer is turned on.