1. What is the name given to the exchange of control signals which is necessary for establishing a connection between a modem and a computer at the other end?

2. The drawbacks of the binary tree sort are remedied by the __________.

3. The TRAP is one of the interrupts available its INTEL 8085 Which one statement is true of TRAP?

4. A combinational logic circuit that is used to send data coming from a single source to two or more separate destinations is called as_________.

5. __________ is primarily used for mapping hostnames and e-mail destinations to IP addresses but can also be used for other purposes.

6. Which layer of OSI determines the interface of the system with the user?

7. In SQL, which of the following is not a data definition language command?

8. Which command(s) is (are) used to redefine a column of the table in SQL?

9. Relocation bits used by relocating loader are specified (generated) by

10. An indexing operation__________.

11. Abstraction is __________.

12. The language used in the application programs to request data from the DBMS is referred to as the __________.

13. A top to the bottom relationship among the items in a database is established by a _________.

14. In files, there is a key associated with each record which is used to differentiate among different records. For every file, there is at least one set of keys that is unique. Such a key is called__________.

15. Consider an operation of adition. For two numbers, thhe operating will generate a sum. If the operand are strings, and the sam eoperation would produce a third string by concatenation. This features is called __________.

16. You are in the process of analyzing a problem that requires you to collect and store TCP/IP packets. Which of thefollowing utilities is best suited for this purpose?

17. Through linked list one can implement __________.

18. Data mining evolve as a mechanism to cater for the limitations of __________ systems to deal with massive data sets with high dimensionality, new data type, multiple heterogeneous data resources etc.

19. This __________ data mining techinque derives rules from real-world case examples.

20. The mechanical diskette drive in which you insert your diskette is connected to the computer's -bus

21. Which of the following is a universal gate?

22. Which of the following is a phase of RAD model?

23. In 8086 the overflow flag is set when __________.

24. A __________means that one record in a particular record type is related to only one record of another record type.

25. What does microprocessor speed depend on?

26. A heap allow a very efficient implementation of a __________.

27. A set of programs that handle a firm's database responsibilities is called a ___________________.

28. Which of the following is not context-free grammar components?

29. A computer system consisting of its processor, memory and I/O devices accepts data, processes it and produces the output results. Can you tell in which component is the raw data fed?

30. In a relational schema, each tuple is divided into fields called __________.

31. Data security threats include __________.

32. Aggregation is a special form of __________.

33. Rows of a relation are called __________.

34. In SQL, which command is used to changes data in a data table?

35. A __________ contains the smallest unit of meaningful data, so you might call it the basic building block for a data file.

36. __________ is a set design step that allows a DFD with transform flow characteristics to be mapped into a predefined template for program structure.

37. The __________ model remains operative until the software is required.

38. In E-R diagram, the term cardinality is a synonym fo the term __________.

39. An oracle server index__________.

40. The process of transferring data intended for a peripheral device into a disk (or intermediate store) so that it can be transferred to peripheral at a more convenient time or in bulk is known as _________.

41. An important application of cryptography, used in computerized commercial and financial transaction __________.

42. Which of the following is true about GUIs?

43. ___________ is virus that inserts itself into a system's memory. Then it takes a number of actions when an infected file is executed.

44. The tracks on a disk that can be accused without repositioning the R/W heads is ___________________.

45. A special type gateway that can keep external users from accessing resources on the LAN users access the external info is called __________.

46. Which of the following system program forges the production of object code to generate absolute machine code and load into the physical main storage location from which it will be executed immediately upon completion of the assembly

47. Override is a method __________.

48. Local variables __________.

49. The two's compliment of binary number 010111.1100 is__________.

50. From what location are the 1st computer instructions available on boot up?