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• What is a computer?

  A computer is an electronic device that can accept data, manipulate data, produce information, and store results for future use.
• What are the main functions of a computer?

  A computer can accept data, manipulate data, produce information, and store results for future use.
• What are the five components of a computer system?

  • Hardware
  • Software
  • Dataware
  • Peopleware
  • Procedures
• What is a system in the context of computer components?

  A system is made of components that work together to perform a particular task.
• What are tangible parts of a computer system called?

  Hardware
• What is software in a computer system?

  Software is a set of programs designed to perform specific tasks and help users interact with the hardware.
• What is system software?

  System software serves as the interface between the user, application software, and the computer's hardware.
• What is the role of operating systems in a computer system?

  Operating systems coordinate all activities among computer hardware devices and provide a means for users to communicate with the computer.
• Name two examples of operating systems.

  Microsoft Windows and macOS
• What do utility programs do in a computer system?

  Utility programs allow users to perform maintenance tasks related to managing the computer's devices or programs.
• What is application software?

  Application software consists of programs designed to make users more productive and assist them with personal tasks.
• Who are programmers in the context of peopleware?

  Programmers are professionals who write programs that allow users to interact with computers and have technical knowledge of computer languages.
• What is the role of system analysts?

  System analysts design data processing systems and solve problems that arise in data processing.
• How many bits are in a byte?

  8 bits = 1 byte
• How many bytes are in a kilobyte (KB)?

  1 kilobyte (KB) = 1000 bytes
• How many bytes are in a megabyte (MB)?

  1 megabyte (MB) = 1 million bytes
• How many bytes are in a gigabyte (GB)?

  1 gigabyte (GB) = 1 billion bytes
• What are some advantages of using computers?

  Advantages include speed, reliability, consistency, storage, and communications.
• What are some disadvantages of using computers?

  Disadvantages include violation of privacy, public safety concerns, impact on the labor force, environmental impact, and health risks.
• What are the generations of computers and their timeframes?

  1. First Generation: 1940-1956
  2. Second Generation: 1956-1963
  3. Third Generation: 1964-1971
  4. Fourth Generation: 1971-Present
  5. Fifth Generation: Present and Beyond
• What technology did first generation computers use?

  First generation computers used vacuum tubes.
• What are the characteristics of second generation computers?

  Second generation computers were smaller, more reliable, used transistors, and had reduced computational time.
• What programming language was used in second generation computers?

  Assembly language
• What technology did third generation computers use?

  Third generation computers used integrated circuits (IC).
• What are the characteristics of fourth generation computers?

  Fourth generation computers are microprocessor-based, small, portable, and require minimal maintenance.
• Who invented the Apple II?

  Steve Jobs and Steve Wozniak
• What are the characteristics of fifth generation computers?

  Fifth generation computers incorporate technologies like artificial intelligence, voice/data integration, and virtual reality generation.
• What are the major categories of computers?

  • Microcomputers (Personal Computers)
  • Mobile Computers and Mobile Devices
  • Game Consoles
  • Servers
  • Mainframes
  • Supercomputers
  • Embedded Computers
• What is a microcomputer?

  A microcomputer, also known as a personal computer (PC), can perform all input, processing, output, and storage activities by itself.
• What is a desktop computer?

  A desktop computer is designed to fit entirely on or under a desk or table and may function as a server on a network.
• What are mobile computers and mobile devices?

  Mobile computers are personal computers that can be carried from place to place, while mobile devices are small enough to hold in one hand.
• What is a game console?

  A game console is a mobile computing device designed for single-player or multiplayer video games.
• What is the role of a server?

  A server controls access to hardware, software, and resources on a network and provides centralized storage for programs and data.
• What is a mainframe computer?

  A mainframe computer is a large, powerful computer that can handle hundreds or thousands of connected users simultaneously.
• What do most major corporations use mainframes for?

  Most major corporations use mainframes for business activities.
• How do the characteristics of fourth generation computers differ from those of third generation computers?

  Fourth generation computers are microprocessor-based, smaller, cheaper, and require less maintenance compared to third generation computers.
• What advancements in technology characterize fifth generation computers?

  Fifth generation computers are characterized by technologies such as artificial intelligence, extremely large scale integration, and high-speed logic and memory chips.