Related Questions

DFD stands for ___
A data file dish
B data flow daigram
C disk flat database
D disk file database
The Data flow diagram (DFD) shows;
A the flow of data
B the processes
C the areas where they are stored.
D All of the above
E None of the above
Which of the following symbols is (are) not the Data Flow Diagram (DFD):
A a square
B an open rectangle
C a circle
D a triangle
E a bubble
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
A large computer information system maintains many different computer files. Which amongst them is called a perpetual file?
A Specialized file
B Log file
C Master file
D Update file
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
A _____ is a formalized computer information system that can integrate data from various sources to provide the information necessary for management decision making.
A prompt
B passwords
C MIS
D Tactical
E None of the above
Which of the following best describes a computer-based information system?
A A system in which a computer is used to turn data into information
B Inputting data
C Processing data
D Performing complex mathematical calculations
E Data is put into the computer for processing
Which of the following isn't used in the storage phase of a computer-based information system?
A Magnetic
B Keyboard
C Diskette
D Hard disk
E None of the above

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