Introduction To DBMS

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  • 1/15 Questions

    What does the abbreviation DBMS stand for?

    • Database Manipulation Software
    • Database Management System
    • Digital Base Mapping System.
    • Data Borrowing and Movement Software
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About This Quiz

This quiz titled 'Introduction to DBMS' assesses foundational knowledge in Database Management Systems. It covers key concepts such as the meaning of DBMS, tuples, redundancy, and components of DBMS software, enhancing learners' understanding of database structures and management.

DBMS Quizzes & Trivia

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  • 2. 

    'DB' abbreviation usually means ?

    • Database

    • Double Byte

    • Data Block

    • Driver Boot

    Correct Answer
    A. Database
    Explanation
    The abbreviation 'DB' typically stands for Database. A database is an organized collection of data that is stored and accessed electronically. It is designed to efficiently manage and retrieve large amounts of information, allowing users to store, update, and retrieve data in a structured manner. The term 'DB' is commonly used in the field of computer science and information technology to refer to a database system or related concepts.

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  • 3. 

    '.JPG' extension refers usually to what kind of file?

    • System file

    • Animation/movie file

    • MS Encarta document

    • Image file

    Correct Answer
    A. Image file
    Explanation
    The '.JPG' extension is commonly used to identify image files. This file format is widely recognized and supported by various devices and software applications, making it convenient for storing and sharing digital images.

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  • 4. 

    Another word for the CPU is...

    • Execute

    • Microprocessor

    • Micro chip

    • Decode

    Correct Answer
    A. Microprocessor
    Explanation
    The correct answer is "Microprocessor". A microprocessor is another word for the CPU (Central Processing Unit). It is the main component of a computer that carries out the instructions of a computer program by performing basic arithmetic, logical, control, and input/output (I/O) operations. It is responsible for executing instructions, decoding them, and performing calculations in a computer system.

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  • 5. 

    Redundancy is minimized with a computer based database approach.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    A computer-based database approach helps minimize redundancy by storing data in a centralized location and allowing for efficient data management and retrieval. It eliminates the need for duplicate data storage and ensures data consistency and accuracy. With a well-designed database system, data redundancy is reduced, leading to improved data integrity and efficiency in data processing.

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  • 6. 

    How many bits is a byte?

    • 4

    • 8

    • 16

    • 32

    Correct Answer
    A. 8
    Explanation
    A byte is composed of 8 bits. Each bit is a binary digit that can represent either a 0 or a 1. Therefore, a byte consists of 8 of these binary digits, allowing for a total of 256 possible combinations (2^8). This is the most common unit of digital information storage and is used to represent characters, numbers, and other data in computer systems.

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  • 7. 

    Which of the following is component of DBMS Software?

    • Hardware

    • Software

    • Data

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    The correct answer is "All of the above." This is because a DBMS (Database Management System) software includes all the mentioned components: hardware (the physical devices used to store and process data), software (the programs and applications that manage the database), and data (the actual information stored in the database). All three components are essential for the functioning of a DBMS.

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  • 8. 

    What is a 'tuple'?

    • An attribute attached to a record.

    • A row or record in a database table.

    • Another name for the key linking different tables in a database.

    • Another name for a table in an RDBMS.

    Correct Answer
    A. A row or record in a database table.
    Explanation
    A 'tuple' refers to a row or record in a database table. In a database, a table is made up of rows and columns, where each row represents a specific record or instance of data. A tuple is essentially a collection of data values that correspond to the columns in a table. It can be seen as a single unit of information within the table, containing all the relevant data for a particular record. Therefore, the correct answer is that a 'tuple' is a row or record in a database table.

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  • 9. 

    Which of the following is not a version of Microsoft Windows?

    • Red Hat

    • XP

    • ME

    • Vista

    Correct Answer
    A. Red Hat
    Explanation
    Red Hat is not a version of Microsoft Windows. It is a Linux-based operating system developed by Red Hat, Inc. On the other hand, XP, ME, and Vista are all versions of Microsoft Windows. XP stands for Windows XP, ME stands for Windows Millennium Edition, and Vista is a version of Windows released after XP.

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  • 10. 

    'CD' abbreviation usually means ?

    • Command Description

    • Change Data

    • Copy Density

    • Compact Disc

    Correct Answer
    A. Compact Disc
    Explanation
    The abbreviation "CD" commonly refers to "Compact Disc." A compact disc is a small, portable storage medium used for storing and playing back digital audio, video, and other data. It is a widely recognized abbreviation and is commonly used in the context of music, movies, and computer technology.

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  • 11. 

    A row in a database can also be called a domain.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    A row in a database is not called a domain. A row represents a single record in a table, while a domain refers to the set of possible values that an attribute can take. Therefore, the statement is false.

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  • 12. 

    How many layers are there in DBMS architecture?

    • 2

    • 3

    • 4

    • 5

    Correct Answer
    A. 3
    Explanation
    The correct answer is 3 because DBMS architecture typically consists of three layers: the external or user layer, the conceptual or logical layer, and the internal or physical layer. The external layer is the interface through which users interact with the database, the conceptual layer defines the logical structure and organization of the data, and the internal layer deals with the physical storage and retrieval of the data.

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  • 13. 

    What is part of a database that holds only one type of information?

    • Report

    • Field

    • Record

    • File

    Correct Answer
    A. Field
    Explanation
    A field is a part of a database that holds only one type of information. It represents a single piece of data within a record, such as a person's name or a product's price. Fields are used to organize and categorize data within a database, allowing for efficient storage and retrieval of information.

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  • 14. 

    On the Task bar the time is shown in the...?

    • Start menu

    • Scroll bar

    • Desktop

    • Notification area or Tray

    Correct Answer
    A. Notification area or Tray
    Explanation
    The time is shown in the Notification area or Tray on the Taskbar. This area typically contains icons for various system and program notifications, including the time and date. It is located at the right side of the Taskbar and provides quick access to important information and functions.

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  • 15. 

    What is a "relation" in DBMS?

    • Tuple

    • Table

    • Attribute

    • Field

    Correct Answer
    A. Table
    Explanation
    A "relation" in DBMS refers to a table. In a database, a table is used to store data in a structured manner. It consists of rows and columns, where each row represents a record or a tuple, and each column represents a specific attribute or field. Therefore, a table is the correct answer as it is the fundamental component for organizing and storing data in a database management system.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 28, 2010
    Quiz Created by
    Maninderkaur
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