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    COMPUTER HARDWARE Unit 1 PPT-1

    Uploaded by

    Vanshit Ostwal

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    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd

    COMPUTER HARDWARE Unit 1 PPT-1

    Uploaded by

    Vanshit Ostwal
    124 views10 pages

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    © © All Rights Reserved

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    PDF, TXT or read online from Scribd

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    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    124 views10 pages

    COMPUTER HARDWARE Unit 1 PPT-1

    Uploaded by

    Vanshit Ostwal

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 10

    COMPUTER HARDWARE

    Semester-1
    Unit-1
    B.Voc Hardware and Networking
    PPT-1
    What is Computer Hardware?
    ⚫ Computer hardware is the collection of
    physical parts of a computer system.
    ⚫ This includes the computer case, monitor,
    keyboard, mouse, printer, scanner, etc .
    ⚫ It also includes all the parts inside the
    computer case, such as the hard disk
    drive, motherboard, video card, and many
    others.
    ⚫ Computer hardware is what you can
    physically touch.
    Peripheral devices
    ⚫ Device that is connected to a computer
    but is not part of the core computer
    architecture.
    ⚫ connects to a computer system to add
    functionality. Examples are a mouse,
    keyboard, monitor and printer.
    ⚫ Peripheral devices can be external or
    internal and can provide either an input
    or an output.
    Keyboard
    ⚫ It is an input device.
    ⚫ Used to enter text , similar to typewriter.
    ⚫ Typical keyboard have 104 keys.
    ⚫ Keyboard is divided into:
    Numeric keys: 0 to 9,+,-,/,%
    Character/alphanumeric keys: a-z, A-Z. 0-9
    Punctuation: : ; ? ‘ “
    Function keys: F1 to F12
    Special purpose keys: del, page up, page
    down, end, home, insert, ctrl, alt, etc.
    Cursor movement keys: arrow keys (up,
    down, right, left)
    Types of Keyboard
    Multimedia Keyboard:
    ⚫ Design to make it one-touch simple for
    the user to access often used programs.
    ⚫ Contain keys to perform: volume control,
    internet explorer, changing songs,
    opening email, back, forward, refresh etc.
    ⚫ Special type of keyboard called gaming
    keyboard is used for playing games.
    ⚫ Can have PS/2 port, USB port or can be
    wireless.
    Ergonomic Keyboard:
    ⚫ This keyboard is mainly designed for users who
    use both hands for typing.
    ⚫ The advantage of this keyboard is less muscle
    strain, when you have to work for long time.
    ⚫ This makes you rest your hands in a more
    comfortable, natural position as you type.
    ⚫ This keyboard is expensive.
    Wireless Keyboard:
    ⚫ Costlier than wired keyboards.
    ⚫ Do not have any wire attached to
    them.
    ⚫ Interact with computer through
    Bluetooth or infrared rays.
    ⚫ Operates on battery power.
    ⚫ Offers more mobility, can operate
    sitting anywhere within the range.
    Mechanical keyboard:
    ⚫ It is the traditional keyboard.
    ⚫ It makes noise when each key is pressed.
    ⚫ Have longer life span than other
    keyboards.
    ⚫ Allow removal and replacement of
    keycaps.

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