Chapter 3
- Which one of the following statements would best describe a workstation computer?
A) Support applications with heavy mathematical computing and graphics display demands such as computer-aided design.
B) Used to coordinate telecommunications and resource sharing in small local area networks (LANs) and Internet and intranet web sites.
C) Designed for convenient mobile communications and computing using touch screens.
D) All of the above apply.
- Which one of the following statements would best describe a network server?:
A) Support applications with heavy mathematical computing and graphics display demands such as computer-aided design (CA.
B) Used to coordinate telecommunications and resource sharing in small local area networks (LANs) and Internet and intranet web sites.
C) Designed for convenient mobile communications and computing using touch screens.
D) All of the above.
- Which one of the following statements would best fit the description of a transaction terminal?:
A) An intelligent terminal that can perform data entry and some information processing tasks independently.
B) An independent terminal that requires a network server for application software, processing power, and storage.
C) An Internet terminal that depends on Internet website servers for application software.
D) A networked terminal that is dependent on Windows software.
- Which one of the following statements would best describe a personal digital assistant?:
A) Support applications with heavy mathematical computing and graphics display demands such as computer-aided design (CAD).
B) Used to coordinate telecommunications and resource sharing in small local area networks (LANs) and Internet and intranet web sites.
C) Designed for convenient mobile communications and computing using touch screens.
D) All of the above.
- Which one of the following statements would BEST apply to a microcomputer?:
A) They are exclusively single user systems. B) They must be portable.
C) They are not used as professional workstations.
D) They can include a size classification called "laptop."
- Which of the following are example of pointing devices?
A) Electronic mouse B) Pointing stick C) Trackball D) All of the above
- The coating of a magnetic stripe on the back of credit card can hold about
A) 100 Bytes of data B) 100 MB of data C) 200 MB of data D) None of the above
- One of the main attraction of network computers is their
A) Higher TCO B) Lower TCO C) Higher price D) None of the above
- Which of the following device is used to read bar codes?
A) OCR B) Digital camera C) Bar Code D) None of the above
- Which one of the following statements would best fit the description of a midrange computer?:
A) The smallest but most important category of computer systems for end users.
B) A computer that is larger and more powerful than most microcomputers but are smaller and less powerful than most large mainframe computer systems.
C) Large, powerful computer that is physically larger than a microcomputer but smaller than a mini-computer, and usually has one or more central processor with faster instruction processing speeds.
D) A low-level mainframe computer system specifically designed for high-speed numeric computation.
- Nanosecond is the
A) Millionths of a second B) Billionths of a second
C) Trillionths of a second D) Thousands of a second
- Although some microcomputers are powerful workstation computers, they have yet to develop the capacity to support applications with heavy mathematical computing and graphics display demands such as computer-aided design (CAD) in engineering, or investment and portfolio analysis in the securities industry. A) True B) False
- Numerous studies have shown that the price of a new computer does not includes costs such as support and maintenance in addition to the cost of the computer itself. A) True B) False
- Computer terminals are undergoing a major conversion to networked computer devices. Dumb terminals, which are keyboard/video monitor devices with limited processing capabilities, are being replaced by intelligent terminals which are modified networked computers. A) True B) False
- Small local area networks (LANs), and Internet and intranet web sites utilize a powerful microcomputer called a network server that is used to coordinate telecommunications and resource sharing. A) True B) False
- A computer is a system, an interrelated combination of components that performs the basic system functions of input, processing, output, storage, and control. The central memory is the main processing component of a computer system. A) True B) False
- When discussing the concept of a computer system, peripherals is the generic name given to the output storage devices that are part of a computer system. Peripherals depend on direct connections or telecommunications links to the central processing unit of a computer system. A) True B) False
- Speech recognition can be classified as a form of output. The major disadvantage of voice computing systems is that they are not technologically or economically feasible for a variety of applications that could benefit from this form of input. A) True B) False
- Common applications of midrange computers include:
A) Industrial process-control computers. B) Departmental or office computers.
C) "Front-end" telecommunications computers. D) All of the above.
- Mid range computer is a computer that is larger and more powerful than most microcomputers but are smaller and less powerful than most large mainframe computer systems. A) True B) False
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