GCSE Digital Technology Unit 1 (Compulsory Core)
30 Questions
6 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What type of compression allows a file to be fully restored to its original state?

  • LOSSLESS (correct)
  • LOSSY
  • Data compression
  • File restoration

    • In a database, what is used to uniquely identify each record?

  • Form
  • Table
  • Query
  • Key field (correct)

    • What is used to locate specific data in a database with criteria?

  • Report
  • Form
  • Macro
  • Query (correct)

    • What type of validation check ensures that a field begins with a specific pattern?

    <p>Format check</p> Signup and view all the answers

    What is used to automate tasks in a database?

    <p>Macro</p> Signup and view all the answers

    What is used to add data to a database?

    <p>Form</p> Signup and view all the answers

    What is the smallest unit of digital data represented by either 0 or 1?

    <p>BYTE</p> Signup and view all the answers

    What is the data type for storing the student score of 51 in a Computing Module?

    <p>Integer</p> Signup and view all the answers

    How many binary digits are described by a BIT?

    <p>One</p> Signup and view all the answers

    What is the purpose of the instructions provided at the top of the page?

    <p>To provide guidance on how to answer questions</p> Signup and view all the answers

    What is the total mark for this paper?

    <p>90</p> Signup and view all the answers

    What is the purpose of the figures in brackets printed down the right-hand side of the pages?

    <p>To indicate the marks awarded to each question or part question</p> Signup and view all the answers

    What is the primary purpose of an operating system in a computer system?

    <p>To manage the sharing of CPU time and resources needed by many users</p> Signup and view all the answers

    What is the term for a preformatted layout into which data can be added?

    <p>Template</p> Signup and view all the answers

    Which software group does defragmentation belong to?

    <p>Utility software</p> Signup and view all the answers

    What does the CPU stand for in relation to a computer system?

    <p>Central Processing Unit</p> Signup and view all the answers

    What is the term for a system that allows multiple users to access the same computer resources?

    <p>Multi-user</p> Signup and view all the answers

    What type of device is a microphone?

    <p>Input device</p> Signup and view all the answers

    What is the total amount of wages to be paid to the staff?

    <p>£2,015.00</p> Signup and view all the answers

    What is the hourly rate of Mary Black?

    <p>£15.00</p> Signup and view all the answers

    What is the Tax Rate used in the spreadsheet?

    <p>0.2</p> Signup and view all the answers

    What is the formula used in cell C8?

    <p>=SUM(B3:B7)</p> Signup and view all the answers

    What is an absolute cell reference?

    <p>A reference to a cell that does not change when copied</p> Signup and view all the answers

    What is the purpose of the chart produced by Mia?

    <p>To provide information on staff wages</p> Signup and view all the answers

    What is a key principle of data processing regarding the rights of the data subject?

    <p>Data should be processed within the rights of the data subject</p> Signup and view all the answers

    What is the responsibility of the Information Commissioner regarding the Data Protection Act?

    <p>To enforce data protection laws and regulations</p> Signup and view all the answers

    What is a consequence of the increased use of digital technology on employment?

    <p>Job losses</p> Signup and view all the answers

    What is a disadvantage of online training?

    <p>Limited interaction with instructors</p> Signup and view all the answers

    What type of processing occurs when a computer system processes data all together during processor downtime?

    <p>Batch processing</p> Signup and view all the answers

    What is the purpose of backing up computer files?

    <p>To protect against data loss</p> Signup and view all the answers

    Study Notes

    Data Protection

    • Data should be processed within the rights of the data subject.
    • Data should be kept accurate and up to date.

    Data Protection Act Responsibilities

    • Information Commissioner:-responsible for one responsibility
    • Data Controller: responsible for one responsibility

    Impact of Digital Technology on Employment

    • The increased use of digital technology has impacted on employment, specifically changing work patterns and job losses.

    Online Learning

    • Online learning has created many advantages for learners who cannot attend formal classes.
    • Disadvantages of online training include:
      • Two disadvantages (to be specified)

    Processing

    • Processing is an activity carried out by the computer system.
    • Batch processing: processing data all together during processor downtime.
    • Real-time processing: processing data fast enough to influence the behavior of the next input.
    • Multi-user processing: processing that enables several users to use the system at once.

    Backup and Compression

    • Backup: a copy of data saved in a separate location to prevent data loss.
    • Compression techniques:
      • Lossless: a method of compression that allows the file to be fully restored to its original state.
      • Lossy: a method of compression that discards data from the file, making it unrecoverable.

    Database

    • Key features of a database include:
      • Records: data stored in a database will be held in one or more records.
      • Tables: each table will have a key field which is used to uniquely identify each record.
      • Query: a query can be used with criteria to locate specific data in a database.
      • Report: data can be displayed in a user-friendly format using a report.
      • Form: a form can be used to add data to a database.
      • Macro: some tasks in the database can be automated using a macro.

    Validation Checks

    • Validation checks in a database include:
      • Presence check: a check to ensure that a field is not left blank.
      • Check for specific format: e.g. key field must begin with C followed by 5 numeric characters.

    Computer Systems

    • CPU: Central Processing Unit, the brain of the computer system.
    • Operating system: manages the sharing of CPU time and resources needed by many users.
    • Resources managed by the operating system include:
      • CPU time
      • Memory

    Software Groups

    • Defragmentation belongs to the system software group.

    Input and Output Devices

    • Input devices:
      • Microphone
      • Example of use: recording audio
    • Output devices:
      • High definition display
      • Example of use: displaying high-quality images and videos

    Spreadsheets

    • Formatting method used on cells A12 and B12: currency formatting.
    • Formula used in cell C8: (to be specified)
    • Formula used in cell D3: (to be specified)
    • Absolute cell reference: a reference to a cell that does not change when the formula is copied to another cell.
    • Formula used in cell E3: =IF(D3>=C12, "YES","NO")

    Studying That Suits You

    Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

    Quiz Team

    Description

    Practice questions for the GCSE Digital Technology Unit 1 exam, covering the compulsory core syllabus. Test your knowledge and prepare for the exam. Time-limited, 1-hour quiz.

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser