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Capabilities and
 Characteristic of
  hardware and
software--- INPUT
• This section describes a
  range of technologies,
  including input,
  processing, storage,
  output and
  communication devices.
Inside the computer
The processor
• Integral to all computers is
  the processor, or central
  processing unit ( CPU). It is
  also often referred to as
  microprocessor.
    Its role is to process the
     data entered, following
     the directions of the
     software, into the
     information required.
The processor
TWO PARTS OF A
      PROCESSOR
• Arithmetic and logic
  unit (ALU) is a digital
  circuit that
  performs arithmetic and lo
  gical operations.
Arithmetic logic unit
Control unit

• a control unit (CU) is a
  central (or sometimes
  distributed but clearly
  distinguishable) part of a
  mechanism that controls
  its operation.
Control unit
Memory
• Within the memory is
  all data needed in the
  phases of the
  information processing.
  These include the
  inputted data, the
  operating system and
  the application
  program.
Two distinct types
• PRIMARY ( THE INERNAL
  MEMORY IN THE CPU)

• SECONDARY ( EXTERNAL
  MEMORY OF A MORE
  PERMANENT TYPE)
Memory
Two types of memory
       Read only memory
             (ROM)
 Is a permanent internal
 silicon chip that is inserted
 before contraction. The
 programs contained in this
 memory store can be read
 and used but cannot be
 changed altered or erase.
Read only memory
Random access memory
       (RAM)
• Is the temporary memory
  that is available to the
  operator to us and
  manipulate . It stores the
  operating system and
  application software while
  the computer is in use. The
  contents of RAM are not
  permanent and are erased
  when the computer’s power
  is switched off .
Random access memory
       (RAM)
BUS
• within the computer. Data is
  transferred along data lines
  called buses. The bus is a
  series of circuits connecting
  the processor and other parts
  of the motherboard.

• Its purpose is to transfer data
  within the computer . Buses do
  not stores and manipulate
  data.
BUS
PORTS
• Serial ports and
  parallel ports are found
  at the back of the most
  PS’s. they are the
  interface between
  peripheral devices,
  such as printers and
  modems in the
  computers.
Input devices
keyboard
• The keyboard is the most
  common input device,
  computer keyboards are
  similar to typewriters and
  generally have desame
  QWERTY layout.
keyboard
Mouse, Trackball, Touch pad and Track
               point
       • The mouse is almost as
         common as a keyboard, and is
         now generally a standard
         peripheral with most system, a
         mouse is hand operated and
         allows the user to move the
         cursor around the screen.

       • Trackballs look similar in the
         upside down mouse placed in
         the middle of the keyboard.
• Touch pad allows you to
  simply move your finger
  over its surface to move
  the pointer.

• A track point has all the
  features of a mouse in a
  one small pointer that
  protrudes from the middle
  of the laptop keyboard.
Mouse, Trackball, Touch pad and Track point
BARCODE READER
• A barcode is a block of
  vertical black lines and
  white spaces, representing
  an alphanumeric code that
  identifies the item. The
  barcode reader needs these
  codes and produces a series
  of pulses that corresponds
  to the barcode.
Types of a barcode
• Flat barcode- are commonly
  used in super markets, as
  they are more efficient.

• Hand held- this are commonly
  found in departments and
  hardware stores, where
  because their products are
  varying in size and shapes.
• Pen barcode- are generally
  found in libraries or
  barrowing outlets such as
  video shops. Pen readers
  usually record the barcode
  of the barrower( normally
  on a card) and the barcode
  of the item being
  barrowed.
BARCODE READER
SWIPE CARD READER
• Swipe card readers
  electronically read the
  magnetic strip on the
  back of the card. The
  information on the strip
  is then matched with the
  personal identification
  number entered by the
  cards owner.
SWIPE CARD READER
SCANNER
• Flat-Bed. Drum and hand
  held scanners are input
  devices that can take text
  and image and turn them
  into digital data. The
  material can be in a form of
  text, drawings, or
  photographs. With the use
  of software, image can be
  manipulated and text
  edited.
SCANNER
DIGITAL CAMERA
• Digital cameras have
  provide a new way of
  taking pictures and
  transferring reasonable
  quality photographs to
  the PC.
DIGITAL CAMERA
TOUCH SCREENS
• Another input device that has
  become popular in
  environments used by non
  experts is the touch screen.
  This allows the user too select
  he desired option by the ouch
  of a finger on the screen.
Touch screen unit, or kiosk
Thank you!!!!!


Prepared by: Aizel C. Paquia
          III-BLIS

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Capabilities and characteristic of hardware and software --

  • 1. Capabilities and Characteristic of hardware and software--- INPUT
  • 2. • This section describes a range of technologies, including input, processing, storage, output and communication devices.
  • 4. The processor • Integral to all computers is the processor, or central processing unit ( CPU). It is also often referred to as microprocessor.  Its role is to process the data entered, following the directions of the software, into the information required.
  • 6. TWO PARTS OF A PROCESSOR • Arithmetic and logic unit (ALU) is a digital circuit that performs arithmetic and lo gical operations.
  • 8. Control unit • a control unit (CU) is a central (or sometimes distributed but clearly distinguishable) part of a mechanism that controls its operation.
  • 10. Memory • Within the memory is all data needed in the phases of the information processing. These include the inputted data, the operating system and the application program.
  • 11. Two distinct types • PRIMARY ( THE INERNAL MEMORY IN THE CPU) • SECONDARY ( EXTERNAL MEMORY OF A MORE PERMANENT TYPE)
  • 13. Two types of memory Read only memory (ROM) Is a permanent internal silicon chip that is inserted before contraction. The programs contained in this memory store can be read and used but cannot be changed altered or erase.
  • 15. Random access memory (RAM) • Is the temporary memory that is available to the operator to us and manipulate . It stores the operating system and application software while the computer is in use. The contents of RAM are not permanent and are erased when the computer’s power is switched off .
  • 17. BUS • within the computer. Data is transferred along data lines called buses. The bus is a series of circuits connecting the processor and other parts of the motherboard. • Its purpose is to transfer data within the computer . Buses do not stores and manipulate data.
  • 18. BUS
  • 19. PORTS • Serial ports and parallel ports are found at the back of the most PS’s. they are the interface between peripheral devices, such as printers and modems in the computers.
  • 21. keyboard • The keyboard is the most common input device, computer keyboards are similar to typewriters and generally have desame QWERTY layout.
  • 23. Mouse, Trackball, Touch pad and Track point • The mouse is almost as common as a keyboard, and is now generally a standard peripheral with most system, a mouse is hand operated and allows the user to move the cursor around the screen. • Trackballs look similar in the upside down mouse placed in the middle of the keyboard.
  • 24. • Touch pad allows you to simply move your finger over its surface to move the pointer. • A track point has all the features of a mouse in a one small pointer that protrudes from the middle of the laptop keyboard.
  • 25. Mouse, Trackball, Touch pad and Track point
  • 26. BARCODE READER • A barcode is a block of vertical black lines and white spaces, representing an alphanumeric code that identifies the item. The barcode reader needs these codes and produces a series of pulses that corresponds to the barcode.
  • 27. Types of a barcode • Flat barcode- are commonly used in super markets, as they are more efficient. • Hand held- this are commonly found in departments and hardware stores, where because their products are varying in size and shapes.
  • 28. • Pen barcode- are generally found in libraries or barrowing outlets such as video shops. Pen readers usually record the barcode of the barrower( normally on a card) and the barcode of the item being barrowed.
  • 30. SWIPE CARD READER • Swipe card readers electronically read the magnetic strip on the back of the card. The information on the strip is then matched with the personal identification number entered by the cards owner.
  • 32. SCANNER • Flat-Bed. Drum and hand held scanners are input devices that can take text and image and turn them into digital data. The material can be in a form of text, drawings, or photographs. With the use of software, image can be manipulated and text edited.
  • 34. DIGITAL CAMERA • Digital cameras have provide a new way of taking pictures and transferring reasonable quality photographs to the PC.
  • 36. TOUCH SCREENS • Another input device that has become popular in environments used by non experts is the touch screen. This allows the user too select he desired option by the ouch of a finger on the screen.
  • 37. Touch screen unit, or kiosk
  • 38. Thank you!!!!! Prepared by: Aizel C. Paquia III-BLIS