Selected MCQ

Current Question
Functional Dependencies are the types of constraints that are based on ____.
  • A. Key
  • B. Key revisited
  • C. Superset key
  • D. None of these
Correct Answer: A
Explanation:
Functional dependencies are constraints that describe how one set of attributes determines another, typically based on keys.
Related Question 1
A ____ is a microprocessor-based computing device?
  • A. Personal computer
  • B. Mainframe
  • C. Workstation
  • D. Server
Correct Answer: A
Explanation:
A personal computer is a microprocessor-based device for individual use.
Related Question 2
How many types of computers are there according to size?
  • A. 4
  • B. 3
  • C. 2
  • D. None of these
Correct Answer: A
Explanation:
Computers are commonly classified into 4 types by size: Super, Mainframe, Mini, and Micro.
Related Question 3
Which of the following are types of sound files?
  • A. LOG files
  • B. DAT files
  • C. WAV files
  • D. DRV files
Correct Answer: C
Explanation:
WAV is a common uncompressed audio file format.
Related Question 4
In MS Access, what is the minimum number of data types that can be assigned to a field?
  • A. 02
  • B. 06
  • C. 10
  • D. None of these
Correct Answer: C
Explanation:
MS Access provides approximately 10 main data types that can be assigned to fields.
Related Question 5
In MS Access, which of the following data types allows alphanumeric characters and special symbols?
  • A. Text
  • B. Memo
  • C. Auto number
  • D. None of these
Correct Answer: A
Explanation:
The Text data type (Short Text) supports alphanumeric characters and special symbols up to 255 characters.