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
During logical database design, the conceptual data model is transformed into a logical data model which describes the data in terms of a specific data management technology.
A True
B False
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 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
Which topology does not allow transferring data directly from computer to computer ?
A Ring
B Bus
C Tree
D Star
In 2007, the arithmetic mean of the annual incomes of Rahim and Karim was Taka 3800 . The arithmetic mean of the annual incomes of Karim and Ripon was Ripon and Rahim was TaKa5800. What is the arithmetic mean of the incomes of the three ?
A 3200
B 1200
C 2400
D 4800
The mean of the 5 smallest numbers from a group is 15 while the mean of all the 13 members of the group taken together is 17. What is the mean of the 8 largest numbers?
A 18.50
B 17.75
C 18.75
D 18.25
Which of the following transfers data contained on computer cards to the computer system.
A Card sorter
B Card reader
C Magnetic disk
D Magnetic tape
E None of the above
The mean of the data set of 1000 items is 5. From each item 3 is subtracted and then each number is multiplied by 2. The new mean will be-
A 4
B 5
C 6
D 7

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