1. The___________states that a foreign key
must either match a primary key value in another relation or it must be null.
(A) entity integrity rule
(B) referential integrity constraint
(C) action assertion
(D) composite attribute
(E) None of these
2. An applet________
(A) is an interpreted program that runs on the client
(B) tracks the number of visitors to a Website
(C) is a compiled program that usually runs on the client
(D) collects data from visitors to a Website
(E) None of these
3. A___________, sometimes called a boot
sector virus, executes when a computer boots up because it resides in the boot sector of a floppy disk or the master boot record of a hard disk.
(A) system virus
(B) Trojan horse virus
(C) file virus
(D) macro virus
(E) None of these
4. Which error detection method uses one's complement arithmetic?
(A) Simple parity check
(B) Checksum
(C) Two-dimensional parity check
(D) CRC
(E) None of these
5. A result of a computer virus cannot lead to
(A) Disk Crash
(B) Mother Board Crash
(C) Corruption of program
(D) Deletion of files
(E) None of these
6. The network interface card of LAN is related to following layer of OSI Model—
(A) Transport (B) Network
(C) Data Link (D) Physical (E) All of these
7. Which of the following does not describe a data warehouse ?
(A) Subject-oriented
(B) Integrated
(C) Time-variant
(D) Updateable
(E) None of these
8. Which of the following is true ?
(A) Logical design is software- dependent
(B) In a distributed database, database is stored in one physical location
(C) Conceptual design translates the logical design into internal model
(D) Logical design is software- independent
(E) None of these
9. A range check
(A) ensures that only the correct data type is entered into a field
(B) verifies that all required data is present
(C) determines whether a number is within a specified limit
(D) tests if the data in two or more associated fields is logical
(E) None of these
10. The total set of interlinked hypertext documents worldwide is—
(A) HTTP (B) Browser
(C) WWW (D) B2B
(E) None of these
11. With the object-oriented (00) approach, an object encapsulates, or_______________a programmer.
(A) carries out, the details of an object for
(B) hides, the details of an object from
(C) reveals, the details of an object to
(D) extends, the details of an object beyond
(E) None of these
12. Every computer connected to an intranet or extranet must have a distinct
(A) firewall
(B) proxy server
(C) IP address
(D) domain name
(E) None of these
13. A table of bits in which each row represents the distinct values of a key ?
(A) Join index
(B) Bitmap index
(C) B + Tree
(D) Hierarchical index
(E) None of these
14. The degree of detail that should be incorporated into a database depends on what ?
(A) Data integrity
(B) The type of database
(C) The user's perspective
(D) The business practices and policies
(E) None of these
15. The_____________converts digital signals to analog signals for the purpose of transmitting data over telephone lines.
(A) Modem (B) Router
(C) Gateway (D) Bridge
(E) All of these
(A) executed (B) referenced (C) imported (D) declared (E) None of these
17. Choose the correct way to indicate that a line in a C++ program is a comment line, that is, a line that will not be executed as an instruction
(A) begin the line with a # sign (B) begin the line with double slashes (II) (C) begin and end the line with double hyphens (-..-) (D) indent the line (E) None of these
18. Programming languages built into user programs such as Word and Excel are known as (A) 4GLs (B) macro languages (C) object-oriented languages (D) visual programming languages (E) None of these
19. Firewalls are used to protect against......................................
(A) Unauthorised Attacks (B) Virus Attacks (C) Data Driven Attacks (D) Fire Attacks (E) All of these
20. This is a standard way for a Web server to pass a Web user's request to an application program and to receive data back to forward to the user—
(A) Interrupt request (B) Forward DNS lookup (C) Data-Link layer (D) File Transfer Protocol (E) Common gateway interface
21. Three SQL DDL CREATE commands are
(A) Schema, Base and Table (B) Base, Table and Schema (C) Key, Base and Table (D) Schema, Table and View (E) None of these
22. Data are__________in client/server computing.
(A) never sent to the client machine (B) sent in very large sections to save processing time (C) sent only upon the client's request (D) sent in complete copies for the client to filter and sort (E) sent from the client to the server for processing
23. Which of the following will not eliminate the ambiguities of a null value ?
(A) Define the attribute as required (B) Define subtypes (C) Define each attribute as having an initial value that is recognized as blank (D) Define supertypes (E) None of these
24. The _______ directory is mandatory for every disk.
(A) Root (B) Base (C) Sub (D) Case (E) None of these
25. This is a group of servers that share work and may be able to back each other up if one server fails.
(A) Channel bank (B) Cluster (C) Tiger team (D) Serverless backup (E) Logical unit
26. Execution of any 'C' Programme starts from
(A) the infinite function (B) the moderate function (C) the main function (D) the detection function (E) All of these
27. The four common types of files are
(A) document files, worksheet files, database files and digital files (B) document files, worksheet files, database files and presentation files. (C) document files, worksheet files, database files and program files (D) document files, worksheet files, database files and workbook files (E) None of these
28. Software bugs can be caused by the following
(A) Poorly validated requirements (B) Properly implemented designs (C) Simple misuse of the program (D) (A) and (C) both (E) (A), (B) and (C) all
29. ________is a primary key of one file that also appears in another file. (A) Physical key (B) Primary key (C) Foreign key (D) Logical key (E) None of these
30._________is a networking model pro- posed by International Standards Organisation.
(A) ISO Reference Model (B) IOS Reference Model (C) OSI Reference Model (D) SIO Reference Model (E) None of these
31. Transfer rates range from thousands of bits per second to billions of bits per second, called
(A) Kilobits per second (Kbps) (B) Megabits per second (Mbps) (C) Decabits per second (Dbps) (D) Gigabits per second (Gbps) (E) None of these
32. A universal standard for moving mail on the internet is (A) MIME (B) POP (C) SMTP(D) 1MAP (E) None of these
33. Which of the following is not a common feature of software applications ?
(A) Menus (B) Windows (C) Help (D) Search (E) None of these
34. A data analysis technique that organizes data attributes such that they are grouped in non- redundant, stable, flexible, and adaptable entities is known as... (A) normalization (B) generalization (C) contextualization (D) concatenation (E) None of these
35. Which of the following is not
a restriction for a table to be a relation ?
(A) The cells of the table must contain a single value
(B) All of the entries in any column must be of the same
kind
(C) The columns must be
ordered
(D) No two rows in a table may be identical
(E) None of these
36. In data flow diagrams
(A) processes are represented by rounded rectangles
(B) data flows are represented
by straight lines
(C) data stores are represented by open ended boxes
(D) (A) and (C) both
(E) (A), (B) and (C) all
37. Which of the following is a transaction ?
(A) A group of SQL statements consisting of one read and one write operation
(B) A group of SQL statements consisting only of read operations
(C) A group of SQL statements defining a user-oriented task
(D) A group of SQL statements consisting only of write operations
(E) None of these
38. The term, 'hypertext', means
(A) Non-sequential writing
(B) Hypermedia
(C) Blinking text
(D) Text with heavy formatting
(E) None of these
39. Programs that automatically submit your search request to several search engines simultaneously are called
(A) Metasearch engines
(B) Webcrawlers
(C) Spiders
(D) Hits
(E) None of these
40. In Oracle, which statement is true about segments ?
(A) Each table has its own segment
(B) A segment is created every time an extent is created, extended, or altered
(C) An index segment is created every time a table is created
(D) A segment is deleted whenever a table is truncated
(E) None of these
41.If 20 people need to communicate using symmetric-key cryptography, _______symmetric keys are needed.
(A) 190 (B) 200
(C) 20 (D) 19 (E) 210
42.What is Internet 2?
(A) An new type of cabling system for Wide Area Networks
(B) A second local area network that can connect with another online LAN to share access
(C) A new standard for Internet browsers
(D) An association to develop advanced Internet technology
(E) None of these
43. A device that copies or reproduces text and images is also called a(n)
(A) optical scanner
(B) bar code reader
(C) character device
(D) digital camera
(E) None of these
44.A monitor's clarity as indicated by its resolution is measured in
(A) bits (B) pixels
(C) arrays (D) inches (E) None of these
45. What should you do as soon as you have successfully created the database and the data dictionary?
(A) Open the database for users to start adding data
(B) Start adding a bunch of tablespaces to allow users to use
(C) Leave it running for a few days to make sure that nothing bad is going to happen
(D) Shut it down and take a cold backup
(E) None of these
46. How is power supplied to a low- power USB device ?
(A) Through a power cable
(B) From an external power supply
(C) Directly from the computer's power supply
(D) Through the USB cable
(E) None of these
47. Where are cookies stored ?
(A) On the server
(B) In web.xml
(C) On the client
(D) In HTML
(E) None of these
48. The time between the computer's request for data from secondary storage and the completion of the data transfer is known as the disk's
(A) cache time
(B) access time
(C) recording time
(D) baud rate
(E) None of these
49. __________is an application of assodative memory.
(A) Pattern recognition
(B) Function approximation
(C) Image recognition
(D) Retina recognition
(E) None of these
50. When you are selecting a mouse for a particular computer system, what is the most important consideration?
(A) The type of drivers that come with the mouse
(B) The length of the mouse cord
(C) The type of connector the mouse is equipped with
(D) The number of buttons the mouse has
(E) None of these
ANSWERS
1. (A) 2. (C) 3. (E) 4. (B) 5. (B) 6. (E) 7. (D) 8. (A) 9. (C) 10. (A) 11. (B) 12. (C) 13. (B) 14. (B) 15. (A) 16. (C) 17. (B) 18. (D) 19. (A) 20. (E) 21. (D) 22. (C) 23. (D) 24. (C) 25. (B)
26. (C) 27. (B) 28. (E) 29. (C) 30. (A) 31. (D) 32. (C) 33. (B) 34. (A) 35. (D) 36. (D) 37. (A) 38. (B) 39. (A) 40. (A) 41. (A) 42. (D) 43. (A) 44. (B) 45. (D) 46. (B) 47. (A) 48. (B) 49. (B) 50. (C)
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