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LivIt Prelim 2 - Coggle Diagram

- - - - – is a small, single-user computer based on a microprocessor
    - - – is a powerful, single user computer. A workstation is like a personal computer, but it has a mouse powerful microprocessor and a higher-quality monitor
    - - – is multi-user computer capable of supporting from 10 to hundreds of users simultaneously.
    - - – is an extremely fast computer that can perform millions of instructions per second
  - - - – are computers designed to be placed on a desk, and are normally made up of a few different parts, including the computer case, central processing unit (CPU), monitor, keyboard, and mouse.
    - - – are battery-powered computer devices whose portability makes them possible to use almost anytime, anywhere
    - - – are hand-held computers with touch-sensitive screen for typing and navigation.
    - - – are hand-held telephones which can do things that computers can do, including browsing and searching the internet and even playing console games.
    - - – include fitness trackers and smartwatches that can be worn throughout the day.
    - - are the latest television sets that include applications present in computers. For example, videos can be streamed from the internet directly onto the TV. The TV can also be used as a computer monitor and gaming monitor.
- - - - responsible for execute given instructions.
      - It is the brain that does arithmetic and logic processing, as well as control other hardware coordination.
      - typically a small chip whose functionalities are done via the controlling of electric current flowing through the miniscule integrated circuit inside the chip.
    - - responsible for storing data and program
      - types
        
        main memory
        
        a temporary storage used for storing instructions and data currently in use.
        
        This type of memory is usually more expensive but faster than the
        other type of memory
        
        secondary storage
        
        This type of storage is used for storing data that is wished to be remembered permanently, or at least, longer than the one stored in the main memory.
        
        slower but cheaper than
        main memory.
    - - Input devices
        
        common devices
        
        Keyboard
        
        Mouse
        
        Microphone
        
        Scanner
        
        Digital Camera
        
        PC video camera
        
        enter or send data and instructions from the user or from another computer system on the internet while output devices send back the administered data to the user or to another computer system.
      - Output devices
        
        any hardware component that transmits information to one or more people.
        
        common devices
        
        monitor
        
        printer
        
        speaker
  - - - The circuitry of the system unit containing the primary components of a computer with connectors into which other circuit boards can be positioned
      - you can find the central processing unit or CPU
  - - - flask disk drive
      - pen drives
      - thumb drives
      - jump drives
      - hard disk
      - compact disc
- - - - it is a software which is used to manage the behavior of the computer hardware in order to offer basic functionalities which are needed by the user.
      - common system software examples
        
        Operating System
        
        essentially a collection of software which handles resources as well as offers general services for various other application which actually run over them.
        
        Device Drivers
        
        This type of software controls particular hardware which is essentially attached to the system.
        
        Firmware
        
        It is essentially a set of instructions which are permanently stored onto to the hardware device.
        
        It offers vital information regarding how a particular device interacts with different other hardware.
        
        Utility
        
        These software are designed to assist in analyzing, as well as optimizing, along with configuring and maintaining a given computer system.
      - could involve providing needed functionality for application software, maintaining computer systems so that they are in suitable condition, facilitating application software with productivity-related services, or even building other application software.
      - usually covers programs that are not directly intended to help accomplishing the user’s task but supports other application software.
    - - also popularly known as end-user programs or even productivity programs which assist the user in completing various tasks like conducting online research, making notes, designing graphics, maintaining accounts, carrying out calculations or even playing computer games.
      - variety of application software.
        
        Word Processors
        
        such applications are meant for documentation.
        
        Database Software
        
        it is used to create as well as manage a database and also known as Database Management System or in short, DBMS.
        
        Multimedia Software
        
        this is a software which is able to play, create as well as record images, audio or even video files.
        
        Web Browsers
        
        this software is utilized to browse the internet.
      - classification
        
        Freeware
        
        A user can easily download them from the internet and can easily use them without paying any charges or fees.
        
        However, they don’t provide any type of liberty to modify the entire software or charging a fixed fee for its distribution.
        
        Shareware
        
        this software is distributed freely to users on a fixed trial basis.
        
        Open-source
        
        such types of software are usually available to users along with their source code which means that the user can easily modify and distribute the software as well as add additional features to them.
      - covers programs that help user in accomplishing specific tasks such as word processors, web authoring tools, computer games, and etc.