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
A group of three objects must be selected from six objects K, O, S, T, V, and W according to the following conditions: Which of the following is an acceptable selection of objects?
A K,O And S
B K, S and T
C K, S and V
D O, S, and V
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
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
What is software that comes hidden in free downloadable software and tracks your online movements, mines the information stored on your computer, or uses your computer's CPU and storage for some task you know nothing about?
A Web log
B Clickstream
C Anonymous Web browsing service
D None of the above
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
Which one of the following in an example of optical storage device?
A Hard Disk
B CD ROM
C RAM
D CPU
Which one of the following is an example of optical storage device?
A CD ROM
B Hard Disk
C RAM
D CPU
Which of the following is not an example of secondary storage device ?
A Hard disks
B RAM
C Magnetic tapes
D CDs
Which one of the following is an example of optical storage device ?
A CD Drive
B RAM
C Hard Disk
D CPU

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