Today, software comprises a larger percentage of the cost of modern computer systems
than it did in the early 1950s for which of the following reasons?
A. Hardware costs have decreased
B. Hardware performance has increased
C. Software has become increasin
With _, phone calls are treated as just another kind of data.
A. Voice over IP
B. Plain old telephone service
C. Chat room
E. Internet relay chat
Workflow, groupware, and telepresence systems are examples of which network
_ are a payment mechanism similar to regular bank checks but transmitted
electronically, with a signature in digital form.
A. Electronic checks
B. Electronic credit cards
C. Electronic cash
D. Electronic wallet
E. Electronic debit cards
_ use credit card
_ controls restrict unauthorized individuals from using information resources and
are concerned with user identification.
A. access controls
B. physical controls
C. data security controls
D. administrative controls
E. input controls
Which of the following
_ portals offer content for diverse communities and are intended for broad
_ portals support communities such as hobby groups or a political party.
A process that allows users to place information in multiple, overlapping associations is
C. Really simple syndication
A process that enables users to create a personal Web site containing his or her
Which of the following is not a type of primary storage?
B. Random access memory
C. Flash memory
D. Read-only memory
E. Cache memory
The part of primary storage that holds a software program (or portion of it) and small
amounts of data when th
Which of the following is not a disadvantage of telecommuting for employees?
A. decreased feelings of isolation
B. possible loss of fringe benefits
C. lower pay (in some cases)
D. no workplace visibility
E. slower promotions
The advantages of B2C for cons
In which of the following business models do businesses request quotes from suppliers
and use B2B with a reverse auction mechanism?
B. electronic tendering system
D. online direct marketing
E. affiliate market
Increased microprocessor complexity comes from which of the following?
A. Decreasing line width
B. Increasing transistor miniaturization
C. Using new materials for the chip that increase conductivity
D. Putting more transistors on the chip
E. All of the a