Computer Knowledge 57

1. DSL stands for-
A. Digital Subscriber Limit.
B. Digital Subscriber Line.
C. Digital Subscriber Light.
D. Digital Subscriber Lease.



2. Communication between mouse and cpu is a-
A. Simplex.
B. hald duplex.
C. Full duplex.
D. None of these.



3. Error in a computer is known as-
A. Wrong.
B. Crack.
C. Bug.
D. Foul.



4. A software that is not fully developed but can be used temporarily is called-
A. Old version.
B. Beta.
C. Sub.
D. Source.



5. Which of the following is a primary key?
A. Emp Contact no.
B. Emp name.
C. Emp cast.
D. Emp salary.



6. To access anywhere on the file is called-
A. Sequential access.
B. Direct access.
C. Serial access.
D. Parallel access.



7. To get connected with internet is called-
A. Hotline.
B. Subline.
C. online.
D. Redline.



8. The storage medium inside the computer tower is called-
A. DVD writer.
B. Motherboard.
C. Hard disk.
D, None of these.



9. Which of the following is an operating system?
A. Powerpoint.
B. Windows.
C. CISCO.
D. Google.



10. Unmanageable switches does not have-
A. Console port.
B. Ethernet port.
C. Power cord.
D. None of these.



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