CIS 512 Midterm

CIS 512 Midterm

Questions 1

In graphics, a ____ is a line segment with a specific angle and length in relation to a point of origin.

Questions 2

____ is a technique that reduces the number of bits used to encode data, such as a file or a stream of video images transmitted across the Internet.

Questions 3

The ____ discipline includes activities that verify correct functioning of infrastructure and application software components and ensure that they satisfy system requirements.

Question 4

A single sector usually holds ____ bytes.

Question 5

Managers of _____ collections of information systems and supporting infrastructure must contend with a great deal of technical complexity.

Question 6

A disk with many program and data files scattered on it is said to be ____.

Question 7

A(n) ____ detects specific patterns of bars or boxes.

Question 8

A ____ storage device stores and retrieves data items in a linear, or sequential, order.

Question 9

The ____ governs the format, content, and timing of data, memory addresses, and control messages sent across the bus.

Question 10

Memory devices comprised of semiconductors and other forms of RAM with long-term or permanent data retention are generically known as ____.

Question 11

The ____ is a digital circuit that generates timing pulses, or signals, and transmits the pulses to other devices in the computer.

Question 12

A(n) ____ instruction generates the result true if both of its data inputs are true.

Question 13

The upper 128 entries in Latin-1 are sometimes called ____.

Question 14

When manipulating single-precision floating-point numbers, CPU performance is measured in ____.

Question 15

Bar-code readers use ____that sweep a narrow beam back and forth across the bar code.

Question 16

Silicon and germanium are basic elements with resistance characteristics that can be controlled or enhanced with chemicals called ____.

Question 17

Modern ____ displays achieve high-quality color display with organic compounds.

Question 18

In a CD, flat areas in the reflective layer that represent bit values are called “____.”

Question 19

Many ____ create application software for specific processing needs

Question 20

____ Web sites are oriented toward sales, but they usually contain detailed information on specific products or links to other Web sites.

Question 21

A(n) ____ accepts a continuous electrical signal representing sound (such as microphone input), samples it at regular intervals, and outputs a stream of bits representing the samples.

Question 22

With ____ compression, data inputs that are compressed and then decompressed are different from, but still similar to, the original input.

Question 23

A(n) ____ is an enclosed glass vacuum tube with an electron gun in the rear that generates a stream of electrons focused in a narrow beam toward the tube’s front surface.

Question 24

The assignment of numeric codes to characters follows a specific order called a(n) ____.

Question 25

In the United States, resolution is generally stated in ____.

Question 26

A(n) ____ is a stored set of instructions for responding to a specific request, much as you might look up a recipe to prepare a particular dish.

Question 27

A ____ is a set of computing resources with front-end interfaces and back-end resources.

Question 28

Pointing devices can be used to enter drawings into a computer system or control the position of a(n) ____ on a display device.

Question 29

A(n) ____ is a whole number—a value that doesn’t have a fractional part.

Question 30

The term ____ can describe computers as small as microcomputers and as large as supercomputers.

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