Computer Knowledge Quiz for Competitive Exams - Part 20

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1. The property that, when classes are arranged in a hierarchy , each class assumes the attributes and methods of its ancestors is _________________

1.  Generalization
2.  Inheritance
3.  Encapsulation
4.  Information hiding
5.  None of these

2. An E-R diagram is a graphic method of presenting _________________

1.  Primary keys and their relationships
2.  Primary keys and their relationships to instances
3.  Entity classes and their relationships
4.  Entity classes and their relationships to primary keys
5.  None of these

3. _________________ is a primary key of one file that also appears in another file.

1.  Physical key
2.  Primary key
3.  Foreign key
4.  Logical key
5.  None of these

4. SMTP, FTP and DNS are applications of the _________________ layer.

1.  Data link
2.  Network
3.  Transport
4.  Application
5.  None of these

5. Which of the following is the smallest and fastest computer imitating human brain working?

1.  Supercomputer
2.  Quantum Computer
3.  Param-10,000
4.  IBM chips
5.  None of these

6. Which of the following statements is wrong?

1.  Windows XP is an operating system
2.  Linux is owned and sold by Microsoft
3.  Photoshop is a graphical design tool by Adobe
4.  Linux is free and open source software
5.  None of these

7. What is the full form of SDRM?

1.  Shift Dynamic random access memory
2.  Synchronous Dynamics random access memory
3.  System Dynamic random access memory
4.  Serial Dynamic random access memory
5.  Synchronous Dynamic random access memory

8. First microprocessor was used in which of the following?

1.  Computer
2.  Calculator
3.  Telephones
4.  Printers
5.  None of these

9. Which of the following transforms input data into output data?

1.  Peripherals
2.  RAM
3.  ROM
4.  CPU
5.  None of these

10. BSNL, Reliance, Shaw cable, AOL, Tata Indicom all can be kept in which one of the following groups?

1.  ISDN
2.  IRC
3.  ISP
4.  ICONS
5.  None of these

11. In windows XP, which shortcut is used you lock the computer?

1.  Ctrl + L
2.  Windows Key + k
3.  Ctrl + K
4.  Scroll Lock key
5.  Windows Key + L

12. What is a tuple ?

1.  Another name for a table in an RDBMS.
2.  Another name for the key linking different tables in a database.
3.  Initial seed value of field.
4.  A row or record in a database table.
5.  An attribute attached to a record

13. A spooler is a (n):

1.  Location in memory that maintains the contents of a document until it prints out
2.  Print job
3.  Program that coordinates the print jobs that are waiting to print
4.  Message sent from the printer to the operating system when a print job is completed
5.  None of these

14. A scientific institution performing intensive mathematical operations for a complex model that required extremely powerful computing capabilities will most likely use a (n):

1.  Supercomputer
2.  PC
3.  Mainframe
4.  ISP
5.  None of these

15. The process _________________ involves automated study of consumer buying patterns in order to support marketing, inventory replenishment and pricing decisions.

1.  Transaction processing
2.  Data mining
3.  Simulation
4.  Information processing
5.  None of these

16. Press the _________________ button to have the window fill the entire screen.

1.  Close
2.  Maximize
3.  Minimize
4.  All of the above
5.  None of these

17. What is the code name for 'WINDOWS 95' ?

1.  Snowball
2.  Chicago
3.  Win ball
4.  Sparta
5.  None of these

18. Which is not a language processor?

1.  Compiler
2.  Interpreter
3.  Processor
4.  Assembler
5.  None of these

19. The first part of a complete URL is the needed to access the web resource.

1.  Address
2.  Name
3.  Location
4.  Protocol
5.  None of these

20. _________________ is known as POS scanner.

1.  Bar code reader
2.  Magnetic stripe reader
3.  MICR
4.  OCR
5.  None of these

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