Computer Knowledge 37

1. Which of the following is a printing write?
A. Show right.
B. Give right.
C. Copyright.
D. Take right.



2. In computer security DoS stands for-
A. Denial of Service attack.
B. Disk operating system attack.
C. Device operating system attack.
D. None of these.



3. Virus is a program-
A. Hardware device.
B. Printer.
C. Program.
D. Helpful software.



4. Where E-commerce is used?
A. Marketing.
B. Online sales.
C. Communication.
D. All of these.



5. The advantages of E-commerce are-
A. Save price.
B. Benefits production.
C. Streamlight Business.
D. All of the above.



6. In the field of e-commerce EDI stands for-
A. Electronic Data Internet.
B. Electronic Digital Interface.
C. Electronic Data Interchange.
D. None of these.



7. The full form of WAN is-
A. Wave area Network.
B. Wide area network.
C. Wrong area network.
D. Weight area network.



8. What is the full form of DBMS?
A. Data Base Manipulate System.
B. Data base management system.
C. Division based management system.
D. Different based managed system.



9. What is the full form of SQL?
A. Sequential query langugae.
B. Structured query langugae.
C. Sysytem query language.
D. Systematic query language.



10. Which of the following is the the highest level of abstraction in a database system?
A. Physical level.
B. Logical level.
C. View level.
D. None of these.



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