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MCQ Practice

Computer & IT MCQs

Which of the following does not belong to queries for processes?

  • A. Job queue
  • B. Device queue
  • C. Ready queue
  • D. PCB queue
Explanation:
PCB queue is not a standard process queue type in operating systems (the others are common scheduling queues).

Primary key is ____.

  • A. Uniquely identifies each record
  • B. Cannot be repeated
  • C. AutoNumber is an example of a Primary Key
  • D. All of these
Explanation:
A primary key uniquely identifies each record, cannot be repeated, and an AutoNumber is a common way to create one.

The structure or format of data is called ____.

  • A. Syntax
  • B. Semantics
  • C. Struct
  • D. None of these
Explanation:
Syntax refers to the rules and structure that define how data is organized and stored.

In a database, each row is called ____.

  • A. Record
  • B. Field
  • C. Table
  • D. Factor
Explanation:
Each row in a database table represents one complete record.

____ is a unit of information in a ____.

  • A. Field, Database
  • B. Record, Field
  • C. Field, Record
  • D. None of these
Explanation:
A field is a single unit of information, and a record is a complete set of fields for one entity.

A collection of interrelated files in a computer is called a ____.

  • A. File manager
  • B. Field
  • C. Database
  • D. None of these
Explanation:
A database is an organized collection of interrelated files (tables) that store related data.

The smallest unit of information about a record in a database is called a ____.

  • A. Field
  • B. Cell
  • C. Bit
  • D. None of these
Explanation:
In a database, a field (or attribute) is the smallest unit that holds a single piece of information about a record.

The view of PowerPoint in which you can watch all slides at once is ____.

  • A. Slide sorter view
  • B. Slide show view
  • C. Both A & B
  • D. None of these
Explanation:
Slide Sorter shows all slides simultaneously.

In a PowerPoint presentation, ____.

  • A. Sound clips can be inserted, but not movie clips
  • B. Movie clips can be inserted, but not sound clips
  • C. Both movie & sound clips cannot be inserted
  • D. Both movie & sound clips can be inserted
Explanation:
PowerPoint supports both audio and video clips.

The best view to insert a new slide in a PowerPoint presentation is ____.

  • A. Slide sorter view
  • B. Normal view
  • C. Reading View
  • D. Slide master view
Explanation:
The normal view is the most convenient for inserting slides.