Transcript
BASIC BASIC COMPUTER COMPUTER CONCEPTSCONCEPTS
COMPUTERCOMPUTERCOMPUTERCOMPUTER An electronic system that can be
programmed to accept, store and manipulate/process data to come out with meaningful output referred to as information
It carries out its task/s through a set of instructions called a computer program.
Processing of Repetitive, High Volume Applications
Self-Operation
Decision Making
Capabilities of Capabilities of ComputerComputer
Failure to derive meaning from objects
Inability to generate information on its own
Failure to correct wrong answer
Limitations of ComputerLimitations of Computer
NOTEBOOK/LAPTOP
DESKTOP/ PC MINICOMPUTER MAINFRAME NETWORK
Classification by SizeClassification by Size
PEOPLEWARE Managers System
Analyst/Designer Programmers Operators/Technicians Users SOFTWARE System Software Application Software HARDWARE
Components of Computer Components of Computer SystemSystem
HARDWAREHARDWARE
This refers to the physical equipment that make up a computer system
SYSTEM UNIT Microprocessor Memory Read-Only Memory(ROM) Random Access Memory (RAM) INPUT DEVICES STORAGE DEVICES OUTPUT DEVICES
HARDWARE HARDWARE COMPONENTSCOMPONENTS
SYSTEM UNITSYSTEM UNIT
MOTHERBOARDMOTHERBOARD
This is the “BRAIN” of a Computer System
It is the device that fetches, decodes and executes instructions
Transfers data between the memory and other peripheral devices through data bus
For Personal/ Micro Computers, this is referred to as the Micro Chip
Central Processing UnitCentral Processing Unit
MEMORY
MEMORY
INPUTINPUTInput device is a unit that is used to get data from the user into the central processing unit.
INPUTINPUT
Keyboard and Keyboard and MouseMouse
Card ReaderCard Reader Barcode ReaderBarcode Reader
INPUTINPUT
Data instructions enter main storage and are held until needed to be worked on.
It can be an auxiliary or backing storage.
STORAGESTORAGE
DisketteDiskette
STORAGESTORAGE
Magnetic TapeMagnetic Tape
Universal Serial Bus Universal Serial Bus SticksSticks
CDs/DVDsCDs/DVDs
STORAGESTORAGE
Hard DiskHard Disk
STORAGESTORAGE
Results are taken from main storage and fed to an output device.
Shows people the processed data-information in a ready-to-use form.
OUTPUTOUTPUT
OUTPUTOUTPUT
MONITORMONITOR
PrinterPrinter
OUTPUTOUTPUT
Set of programs, procedures, routines and documents associated with the operation of a computer system.
Software is the name given to the program that causes a computer to carry out particular operations
SOFTWARESOFTWARE
Programming Languages - medium used by humans to communicate instructions to a computer.
Systems Software - collection of programs which contribute to the control and performance of the computer
Application Software - programs designed to perform specific jobs such as spreadsheets, wordprocessors, graphic softwares system
Types of SoftwareTypes of Software
The most important component of computer system – people use the power of the computer for some purpose.
PEOPLEWAREPEOPLEWARE
Recognize? Recognize? Input, Processing, Output, or Input, Processing, Output, or
StorageStorage
Recognize? Recognize? Input, Processing, Output, or Input, Processing, Output, or
StorageStorage
Recognize? Recognize? Input, Processing, Output, or Input, Processing, Output, or
StorageStorage
Recognize? Recognize? Input, Processing, Output, or Input, Processing, Output, or
StorageStorage
Recognize? Recognize? Input, Processing, Output, or Input, Processing, Output, or
StorageStorage
Recognize? Recognize? Input, Processing, Output, or Input, Processing, Output, or
StorageStorage
Recognize? Recognize? Input, Processing, Input, Processing, Output, or StorageOutput, or Storage
Recognize? Recognize? Input, Processing, Output, or Input, Processing, Output, or
StorageStorage
Recognize? Recognize? Input, Processing, Output, or Input, Processing, Output, or
StorageStorage
Recognize? Recognize? Input, Processing, Output, or Input, Processing, Output, or
StorageStorage
Recognize? Recognize? Input, Processing, Output, or Input, Processing, Output, or
StorageStorage
Recognize? Recognize? Input, Processing, Output, or Input, Processing, Output, or
StorageStorage
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