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Computing
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Understanding Computers Today
Exam 1: Introduction to the World of Computers
Path 4
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Question 61
True/False
Satellite communication (more commonly called s-com) is the process of exchanging electronic messages between computers over a network-usually the Internet.
Question 62
Multiple Choice
____ consists of programs designed to allow people to perform specific tasks using a computer, such as creating letters, preparing budgets, and managing inventory.
Question 63
Multiple Choice
As shown in the accompanying figure, the computer is used extensively for access control at many organizations, such as ____ that allow individuals to enter the office building, punch in or out of work, or access the company network by providing the proper credentials or being authenticated via a fingerprint or hand scan.
Question 64
True/False
In piracy , identity thieves send fraudulent e-mails to people masquerading as legitimate businesses to obtain social security numbers or other information needed for identity theft.
Question 65
Multiple Choice
Case-Based Critical Thinking Questions Case 1-1 Sarah is a very active real estate agent. She is looking to purchase a new computer and software so she can keep track of her client's accounts, access the Internet from anywhere in the city, and touch-up photos of real estate properties. Sarah needs to store digital photographs of houses she is previewing. She needs to be able to copy these to the computer at her office. What type of storage device should she use?
Question 66
Multiple Choice
Fifty years ago, computers were used primarily by researchers and ____.
Question 67
True/False
A computer does not always do whatever the instructions, or program, tell it to do.
Question 68
True/False
Communications hardware includes modems, which are used to connect a computer to the Internet and network projectors , which are used to connect a computer to a computer network.
Question 69
Multiple Choice
The term ____ refers to the programs or instructions used to tell the computer hardware what to do.
Question 70
Multiple Choice
When data is processed into a meaningful form, it becomes ____.
Question 71
Short Answer
By their very nature, online communications lend themselves to ____________________. Since recipients usually do not hear senders' voices or see their handwriting, it is difficult to know for sure who the sender is.