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More Computer Fundamental Related questions:
An abstract class is which of the following?
Options: A class that has direct instances, but whose descendants may have direct instances., A class that has no direct instances, but whose descendants may have direct instances., A class that has direct instances, but whose descendants may not have direct instances., A class that has no direct instances, but whose descendants may not have direct instances
Options: passes lower-frequency signals and reduces higher-frequency signals, passes higher-frequency signals and reduces lower-frequency signals, has no effect on ac signals, increases the level of all frequencies by a significant amount
. In a punched card system, data is processed by a
Options: A) Keypunch machine, sorter and posting machine
B) Accounting machine, posting machine, and billing machine
C) Sorter, posting machine, and billing machine
D) Accounting machine, keypunch machine and sorter
Â Which access method is used to access cassette tape?
B.Â Sequential Â Â Â Â
C.Â Both of the above
D.Â None of the above
B. System Bus
Ans:â€“ B ,
. Which of the following does not occur during the power-on-self-test (POST)?
Options: a. The scandisk utility begins to run
b. The video card and video memory are tested
c. The BIOS identification process occurs
d. Memory chipare checked to ensure that they are working properly
Options: a. is used to delete all the records of all tables in a database
b. will repeat the recent delete operation to all the records of current table
c. is available in Edit relationship dialog box which makes sure that all the related records will be deleted automatically when the record from parent table is deleted
d. None of above