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Computer MCQs

Q271: In Flutter, the Scaffold() widget is typically used within which function?

  • A) initState()
  • B) dispose()
  • C) build()

Q272: Where are table names and field attributes stored in a database management system?

  • A) Table
  • B) Datasheet view
  • C) Data dictionary

Q273: Which of the following is a passive topology?

  • A) Bus
  • B) Star
  • C) Ring

Q274: What is the number of bits in ASCII 7-bit code?

  • A) 6
  • B) 7
  • C) 8

Q275: What are the main functions of the CPU?

  • A) Process input
  • B) Store data
  • C) All of these

Q276: RAM is a ______ memory.

  • A) Permanent
  • B) Volatile
  • C) Primary Memory

Q277: DEO is abbreviation of _____?

  • A) Digital Entry Operator
  • B) Data Entry Operator
  • C) Data Entry Officer

Q278: Which of the following is an output device?

  • A) Keyboard
  • B) Printer
  • C) Mouse

Q279: Which of following is not a valid zoom percentage in Excel?

  • A) 10
  • B) 100
  • C) 500

Q280: Which of the following statements is correct about adding/deleting columns and rows in a database or spreadsheet?

  • A) You cannot add new columns or rows
  • B) You can add and delete columns/rows as needed
  • C) You can add columns/rows but cannot delete them