Exam 3: Computer Hardware

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A trackball is a type of pointing device that converts drawings and other graphic images into digital data in order to enter it into a computer system.

(True/False)
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An electronic _______________ is a pointing device that is used to move the cursor on the screen, as well as to issue commands and make icon and menu selections. It is the most popular pointing device used today.

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Network servers are the most important category of computer systems for both businesspeople and individual consumers.

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Data are processed and stored in a computer system through the presence or absence or electronic or magnetic signals to the computer. This is called a "bi-state" representation of data, because the computer and the media can exhibit only two states or conditions.

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One of the biggest advantages of semiconductor memory is its volatility.

(True/False)
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A BlackBerry ____________________.

(Multiple Choice)
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The most popular pointing device used today is the _______________.

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All computers are systems of input, processing, output, storage, and distribution components.

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A byte consists of ten bits and represents one character of data in most computer coding schemes.

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The third generation of computers relied on _______________.

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The _______________ devices of a computer system include video display units, printers, audio response units, and so on.

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Offline devices are separate from, but can be electronically connected to and controlled by, a CPU.

(True/False)
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The terms direct access and random access describe the same concept.

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According to the text, which of the following is not a current use of RFID chips?

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The word calculate is derived from calculus, the Latin word for _______________.

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The primary advantage of CD-RW disks over CD-ROM and CD-R disks is that they can be recorded and _______________ many times.

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Continuous speech recognition systems:

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Which of the following is an advantage of RAID?

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Magnetic tapes are no longer used by businesses today because the cost of storage on tape is very expensive compared to other types of storage media.

(True/False)
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Offline devices:

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