Midterm test – imsc574-sp11 | Computer Science homework help

Midterm test – IMSC574-Sp11

Multiple Choice

Identify the choice that best completes the statement or answers the question.

____    1.   A(n) ____ is a set of elements or components that interact to accomplish goals.

____    2.   A firm’s ____ includes all the hardware, software, databases, telecommunications, people, and procedures that are configured to collect, manipulate, store, and process data into information.

____    3.   ____ consists of computer equipment used to perform input, processing, and output activities.

____    4.   ____ include the strategies, policies, methods, and rules for using a CBIS, including the operation, maintenance, and security of the computer.

____    5.   A ____ is any business-related exchange such as payments to employees, sales to customers, or payments to suppliers.

____    6.   A(n) ____ is a set of integrated programs that manages the vital business operations for an entire multisite, global organization.

____    7.   A ____ is an organized collection of people, procedures, software, databases, and devices that support problem-specific decision making.

____    8.   The collection of data, rules, procedures, and relationships that must be followed to achieve value or the proper outcome is contained in the expert system’s ____.

____    9.   The ____ is that part of the computer that consists of three associated elements: the arithmetic/logic unit, the control unit, and the register areas.

____  10.   ____ are high-speed storage areas used to temporarily hold small units of program instructions and data immediately before, during, and after execution by the CPU.

____  11.   ____ is a hypothesis which states that transistor densities on a single chip double every 18 months.

____  12.   ____ provides permanent storage for data and instructions that do not change, such as programs and data from the computer manufacturer.

____  13.   ____ is a type of high-speed memory that a processor can access more rapidly than main memory.

____  14.   ____ parallel processors all execute the same instruction on many data values simultaneously.

____  15.   The term ____ is used to describe devices that store larger amounts of data, instructions, and information more permanently than allowed with main memory.

____  16.   A(n) ____ is a computer used by many users to perform a specific task, such as running network or Internet applications.

____  17.   The devices used only to access secondary storage data directly are called ____.

____  18.   A(n) ____ allows people to access and command the computer system.

____  19.   A(n) ____ is a collection of single application programs packaged in a bundle.

____  20.   ____ is designed to support teamwork, whether people are in the same location or dispersed around the world.

____  21.   ____ involves translating what a user wants to accomplish into a code that the computer can understand and execute.

____  22.   The term ____ is used to describe software that is very inexpensive or free, usually for use in personal computers, but whose source code cannot be modified.

____  23.   Red Hat Linux for IBM mainframe computers is an example of a(n) ____.

____  24.   ____ applications can be used to plan, schedule, allocate, and control people and resources (money, time, and technology) needed to complete a project according to schedule.

____  25.   ____ is a set of integrated programs that manage a company’s vital business operations for an entire multisite, global organization.

____  26.   A ____ is typically a name, number, or combination of characters that describes an aspect of a business object

____  27.   A collection of related records is a(n) ____.

____  28.   A(n) ____ is a generalized class of people, places, or things (objects) for which data is collected, stored, and maintained.

____  29.   ____ is a way of organizing data in which the logical database design is altered so that certain data entities are combined, summary totals are carried in the data records rather than calculated from elemental data, and some data attributes are repeated in more than one data entity to improve database performance.

____  30.   The ____ is a database model that describes data in which all data elements are placed in two-dimensional tables, called relations.

____  31.   ____ involves the manipulation of data to eliminate rows according to certain criteria.

____  32.   ____ involves eliminating columns in a table.

____  33.   A ____ is one that directly interacts with people or users.

____  34.   A(n) ____ is a subset of a data warehouse.

____  35.   ____ is a form of data mining that combines historical data with assumptions about future conditions to predict outcomes of events such as future product sales or the probability that a customer will default on a loan.

____  36.   ____ involves gathering enough of the right information in a timely manner and usable form and analyzing it so that it can have a positive effect on business strategy, tactics, or operations.

____  37.   The term ____ describes the steps an organization takes to protect information sought by “hostile” intelligence gatherers.

____  38.   ____ allows users to explore data from a number of perspectives.

____  39.   A ____ system employs many satellites, each in a circular orbit at an altitude of a few hundred miles.

____  40.   A(n) ____ sends signals through the air via light waves at a frequency of 300 GHz and above.

____  41.   A(n) ____ is a telecommunications service that delivers high-speed Internet access to homes and small businesses over the existing phone lines of the local telephone network.

____  42.   A(n) ____ is a telecommunications network that connects users and their computers in a geographical area that spans a campus or city.

____  43.   A(n) ____ is a telecommunications network that connects large geographic regions.

____  44.   With ____, processing devices are placed at various remote locations.

____  45.   A ____ forwards data packets across two or more distinct networks toward their destinations through a process known as routing.