Related Questions

Which of the following represents examples of an IT input device, output device and storage device respectively ?
A bar code reader, CD drive, projector
B keyboard, monitor, hard disc
C printer, DVD drive, joystick
D printer, mouse, monitor
Consider a company that assembles computers. The probability of a faulty assembly of any computer is p. The company therefore subjects each computer to a testing process. This testing process gives the correct result for any computer with a probability of q. What is the probability of a computer being declared faulty?
A pq + (1 - p) (1 - q)
B (1 - q)p
C (1 - p)q
D pq
The barcode which is used on all types of items, is read by a scanning device directly into the computer. What is the name of this scanning device?
A Laser scanner
B Wand
C OCR
D MICR
E None of the above
The value of a computer is depreciated over five years for tax purposes (meaning that at the end of five years , the computer is worth $0). If a business paid $ 2,100 for a computer, how much will it have depreciated after 2 years?
A $840
B $ 1,050
C $ 820
D $ 420
You create home directories for users Jan and Kim on a Windows NT Server computer. Jan works on a Windows NT Workstation computer. Kim works on a Microsoft Windows for Workgroups computer. After they log on, Jan can access her home directory, but Kim cannot access her home directory. What should you do?
A Start the Replication service on Kim's Windows for Workgroups computer
B Relocate Kim's home directory to her Windows for Workgroups computer
C Map a drive on Kim's Windows for Workgroups computer to her home directory on the server
D You cannot do this. Home directories can be accessed only by Windows NT computers
An input/output device at which data enters or leaves a computer system is
A Keyboard
B Terminal
C Printer
D Plotter
E None of the above
What is the name of the storage device which is used to compensate for the difference in rates of flow of data from once device to another?
A Cache
B Concentrator
C Buffer
D I/O device
E None of the above
Which of the following is the most widely used computer device ?
A Solid state disks
B External hard disk
C Internal hard disk
D Printer
Which output device is used for translating information from a computer into pictorial form on paper.
A Mouse
B Plotter
C Touch panel
D Card punch
E None of the above
Which of the following terms could be used to describe the concurrent processing of computer programs, via CRTs, on one computer system?
A Time-sharing
B Online processing
C Interactive processing
D All the above processing
E None of the above

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