Related Questions

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
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
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
Which of the following is an output device in computer?
A Microphone
B digital camera
C webcam
D scanner
Which is the device that converts computer output into a form that can be transmitted over a telephone line?
A Teleport
B Multiplexer
C Concentrator
D Modem
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
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 device that converts computer output into a form that can be transmitted over a telephone line?
A Teleport
B Modem
C Multiplexer
D Concentrator
E None of the above

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