Envelope of Discrepancy in Orthodontics: Enhancing Precision in Treatment
BASIC_HARDWARE_PARTS.pptx
1. COMPUTER CASE - ALSO CALLED AS A COMPUTER CHASSIS, TOWER,
SYSTEM UNIT, OR CABINET. COMPUTER CASE IS THE ENCLOSURE THAT
CONTAINS MOST OF THE COMPONENETS OF A COMPUTER. COMPUTER CASE
ARE USUALLY CONSTRUCTED FROM STEEL, ALUMINIUM, AND PLASTIC.
2. CENTRAL PROCESSING UNIT (CPU) –CPU IS THE MOST IMPORTANT
PART OF THE COMPUTER. IT IS ALSO CALLED AS THE MAIN PROCESSOR OR
THE BRAIN OF THE COMPUTER BECAUSE IT HELPS THE COMPUTER TO
REMEMBER THINGS. CPU PERFORMS BASIC ARITHMETIC LOGIC,
CONTROLLING, AND INPUT OR OUTPUT OPERATIONS.
3. COMPUTER MONITOR –IS AN ELCETRIC DEVICE THAT SHOWS PHOTOS,
MOVIES, AND GAMES. COMPUTER MONITOR LOOKS LIKE A TV SCREEN AND IF
YOU TYPE SOMETHING ON THE KEYBOARD, IT WILL APPEAR ON THE SCREEN.
4. MOUSE –A COMPUTER MOUSE IS USED TO POINT THINGS ON THE MONITOR.
IT HAS TWO BUTTONS AND A SMALL WHEEL BETWEEN THE BUTTONS.
COMPUTER MOUSE ALLOWS A SMOOTH CONTROL OF THE GRAPHIC USER
INTERFACE A COMPUTER.
5. KEYBOARD–A KEYBOARD HAS MANY BUTTONS CALLED KEYS, EACH KEY
HAS A NUMBER, LETTER, OR WORD WRITTEN-ON IT. WE USE KEYBOARD FOR
TYPING LETTER, NUMBER, OR WORD BY PRESSING THE KEY TO THAT LETTER
OR NUMBER.
6. SPEAKER –THE SPEAKER IS THE DEVICE THAT CONNECTS TO A COMPUTER
TO GENERATE SOUNDS. SPEAKER IS USED TO MAKE MUSIC OR SOUND
LOUDER.
7. VIDEO CARD –ALSO CALLED AS GRAPHIC CARD, DISPLAY CARD, GRAPHICS
ADAPTER, OR DISPLAY ADAPTER. A VIDEO CARD IS AN EXPANSION CARD
WHICH GENERATES A FEED OF OUTPUT IMAGES TO A DISPLAY DEVICE SUCH
AS COMPUTER MONITOR.
8. STORAGE DEVICE –IT IS A PIECCE OF A COMPUTER HARDWARE USED
FOR SAVING, CARRYING, AND PULLING DATA. IT CAN HELP AND RETAIN
INFORMATION, SHORT TERM OR LONG TERM. OTHER TERM FOR STORAGE
DEVICE IS ‘STORAGE MEDIUM’ OR ‘STORAGE MEDIA’.
9. MOTHERBOARD –A MOTHERBOARD IS THE MAIN CIRCUIT BOARD OF YOUR
COMPUTER AND ALSO KNOWN AS THE MAINBOARD OR LOGIC BOARD. IF YOU
EVER OPEN YOUR COMPUTER, THE BIGGEST SILICON YOU SEE IS THE
MOTHERBOARD. ATTACHED TO THE MOTHERBOARD IS THE CPU, RAM,
MEMORY EXPANSION SLOTS, PCI SLOTS, AND USB PORTS.
10. RANDOM ACCES MEMORY (RAM)–THIS IS A FORM OF COMPUTER
MEMORY THAT CAN BE READ AND CHANGED IN ANY ORDER, TYPICALLY USED
TO STORE WORKING DATA AND MACHINE CODE. A RAM ALLOWS DATA ITEMS
TO BE READ OR WRITTEN IN ALMOST THE SAME AMOUNT OF TIME
IRRESPECTIVE OF THE PHYSICAL LOCATION OF DATA INSIDE THE MEMORY.
11. OPTICAL DISC DRIVE(ODD)–THIS IS A DISC DRIVE THAT USES LASER
LIGHTS OR ELECTROMAGNETIC WAVES WITHIN OR NEAR THE VISIBLE LIGHT
SPECTRUM AS PART OF THE PROCESS OF READING OR WRITING DATA OR
FORM OPTICAL DISC.
12. POWER SUPPLY–IT CONVERTS MAIN ALTERNATING HIGH
VOLTAGE CURRENT INTO DIRECT CURRENT AND THEY ALSO
REGULATE THE DIRECT CURRENT OUTPUT VOLTAGE TO THE FINE
TOLERANCE REQUIRED FOR MODERN COMPUTING COMPONENTS.
13. SOUND CARD–IT IS ALSO CALLED AS AN AUDIO CARD. SOUND CARD IS AN
INTERNAL EXPANSION CARD THAT PROVIDES INPUT AND OUTPUT OF AUDIO
SIGNAL FROMM A COMPUTER PROGRAM. THE TERM SOUND CARD IS ALSO
APPLIED TO EXTERNAL AUDIO INTERFACES USED FOR PROFESSIONAL AUDIO
APPLICATIONS.
