21. Tables in any database related to one another through ______
- a) Primary Key
- b) Forign Key
- c) Composite Key
- d) Alternate Key
Answer: B - Foreign keys establish relationships between tables in a database.
22. Internet Explorer came into market in the year_____
- a) 1994
- b) 1995
- c) 1996
- d) 1997
Answer: B - Internet Explorer was first released in August 1995 as part of Windows 95 Plus! pack.
23. Internet explorer falls under_____
- a) Operating System
- b) Compiler
- c) Browser
- d) IP address
Answer: C - Internet Explorer is a web browser developed by Microsoft.
24. Firefox came into market in the year____?
- a) 2001
- b) 2003
- c) 2002
- d) 2004
Answer: D - Firefox 1.0 was officially released on November 9, 2004.
25. What should be minimum requirement of random access memory (RAM) for internet access?
- a) 8 MB
- b) 16 MB
- c) 32 MB
- d) 64 MB
Answer: C - 32 MB was the typical minimum RAM requirement for basic internet browsing in late 1990s/early 2000s.
26. A person who produces or creates new programs for industrial and business users is called____?
- a) System analysts
- b) Program coordinator
- c) Computer coordinator
- d) User interface
Answer: A - System analysts design and implement software solutions for business needs.
27. In a flowchart a calculation (process) is represented by____.
- a) A rectangle
- b) A rhombus
- c) A parallelogram
- d) A circle
Answer: A - Rectangles represent processes or actions in standard flowchart notation.
28. Dim statement is used to _____.
- a) Declare only string variables.
- b) Declare only integer variables.
- c) Declare the variables.
- d) None of these.
Answer: C - The Dim statement is used to declare variables of any type in VB.
29. The Activated event is found only in which object?
- a) Form.
- b) Button
- c) TextBox
- d) Label
Answer: A - The Activated event occurs when a form becomes the active window.
30. Which datatype store yes/no type data ?
- a) Varient
- b) Integer
- c) Boolean
- d) String
Answer: C - Boolean data type stores True/False or Yes/No values.
31. In Flowcharts of algorithms, messages are classified as_____
- a) steps of algorithm
- b) selection of steps
- c) cancellation of procedures
- d) addition of steps
Answer: A - Messages in flowcharts represent sequential steps in the algorithm.
32. In flowcharts, a circle with a vertical line drawn is a symbol used to show_____
- a) systematic operation
- b) manual operation
- c) magnetic tape
- d) display screen
Answer: C - This symbol represents magnetic tape storage in flowcharting.
33. Symbol used in flowchart such as rectangle with horizontal lines on two sides is used for_____
- a) rhombus
- b) parallelogram
- c) circle
- d) trapezoid
Answer: C - This modified rectangle symbol typically represents a manual operation.
34. The ____ statement checks in the module for usage of any undeclared variables and reports an error to the user.
- a) looping
- b) iteration.
- c) dim
- d) external
Answer: C - The Dim statement declares variables and helps catch undeclared variable usage.
35. The _____property in Visual basic is common for many a tools.
- a) location.
- b) Place.
- c) window status.
- d) name
Answer: D - The Name property is fundamental to all controls in VB for identification.
36. What are the three algorithm constructs?
- a) Sequence, selection, repetition.
- b) Input, output, process.
- c) Input/output, decision, terminator.
- d) Loop, input/output, process.
Answer: A - These are the three fundamental control structures in programming.
37. Blink the Cursor in specific Textbox then use_____
- a) Caption
- b) List
- c) Val( )
- d) Setfocus
Answer: D - The SetFocus method moves the cursor (caret) to a specified control.
38. In order to use cable for browsing web you will need : _____
- a) A cable modem.
- b) Network Interface Card (NIC).
- c) Both (a) & (b).
- d) None Of the above.
Answer: C - Cable internet requires both a cable modem and NIC for connectivity.
39. The space factor when determining the efficiency of algorithm is measured by_____
- a) Counting the maximum memory needed by the algorithm.
- b) Counting the minimum memory needed by the algorithm.
- c) Counting the average memory needed by the algorithm.
- d) Counting the maximum disk space needed by the algorithm.
Answer: A - Space complexity measures worst-case memory requirements.
40. The time factor when determining the efficiency of algorithm is measured by_____
- a) Counting microseconds.
- b) Counting the number of key operations.
- c) Counting the number of statements.
- d) Counting the kilobytes of algorithm.
Answer: B - Time complexity focuses on the number of fundamental operations.