STORAGE AND OUTPUT DEVICES
- 1. TOPICS: STORAGE DEVICES HARD DISK CD DVD MEMORY CARD USB FLASH DRIVE OPUTPUT DEVICES MONITOR PRINTER PLOTTER SPEAKER
- 2. THE DEVICES THAT ARE USED TO STORE PROGRAMS THAT ARE NOT CURRENTLY USED BY THE COMPUTER. THEY ARE KNOWN ASS MASS STORAGE DEVICES OR SECONDARY MEMORY.
- 3. THE FOLLOWING ARE SOME TYPES OF PORTABLE STORAGE DEVICES: • HARD DISK • CD (COMPACT DISK) • DVD (DIGITAL VERSATILE DISK) • MEMORY CARDS • USB FLASH DRIVES
- 4. A MEGNATIC STORAGE DEVICE USED TO STORE COMPUTER DATA. IT HAS CAPACITY OF HUNDREEDS OF GIGABYTE(GB). IT IS FIXED INSIDE THE COMPUTER CASING. PORTABLE HARD DISK IS ALSO AVAILABLE.
- 5. IT HAS STORAGE CAPACITY OF 700 MEGABYTES (MB). IT IS 1.2 MILIMETER THICK. ITS DIAMETER IS 120 MILLIMETERS. CD DRIVE IS USED TO READ DATA FROM OR WRITE DATA TO A CD.
- 6. IT HAS THE SAME THICNESS AND DIAMETER AS A CD. ITS STORAGE CAPACITY IS IN RANGE OF 4 TO 16 GB. A DVD WRITER IS INSTALLED IN COMPUTER TO READ DATA FROM OR WRITE DATA TO A DVD. A CD CAN BE USED IN DVD WRITER.
- 7. IT IS A SMALL STORAGE DEVICE THAT HAS STORAGE CAPACITY OF FEW GB. IT IS AVAILABLE WITH DIFFERENT SIZES AND STORAGE CAPACITIES. THEY ARE GENERALY USED IN LAPTOP COMPUTERS.
- 8. IT IS A SMALL PORTABLE STORAGE DEVICE THAT CAN BE CONNECTED TO THE COMPUTER THROUGH USB PORT. IT IS ALSO KNOWN AS USB MEMORY. IT IS VERY FAST. ITS STORAGE CAPACITY IS OF 128 GB.
- 9. OUTPUT DEVICES ARE USED TO DISPLAY TEXT, GRAPHICS, AND IMAGES ON THE MONITOR SCREEN OR PRINT INFORMATION ON A PAPER.
- 10. INFORMATION ENTERED INTO THE COMPUTER IS CALLED SOFT COPY. ANYTHING PRINTED ON PAPER IS CALLED HARDCOPY OR PRINTOUT.
- 11. THE FOLLOWING ARE THE TYPES OF OUTPUT DEVICES: • MONITOR • PTINTER • PLOTTER • SPEAKER
- 12. IT IS AN OUTPUT DEVICE THAT HAS A SCREEN ON WHICH INFORMATION IS DISPLAYED.
- 13. THERE ARE TWO TYPES OF MONITORS: • CRT (CATHODE RAY TUBE) • LCD (LIQUID CRYSTAL DISPLAY)
- 14. A PRINTER IS AN OUTPUT DEVICE THAT IS USED TO PRINT TEXT AND GRAPHICS ON PAPER WHICH IS KNOWN AS HARDCOPY.
- 15. THERE ARE TWO TYPES OF PRINTERS: • IMPACT PRINTER • NON – IMPACT PRINTER
- 16. PLOTTER IS AN OUTPUT DEVICE THAT IS USED FOR PRINTING ENGINEERING DRAWINGS, MACHINE PARTS, BUILDING DESIGN, MAPS, CHARTS, ETC. ON LARGE SIZE PAPERS OR SHEETS.
- 17. THERE ARE TWO TYPES OF PLOTTERS: • INK PLOTTER • PEN PLOTTER
- 18. SPEAKER IS AN OUTPUT DEVICE THAT PRODUCE AUDIO AS OUTPUT. A PAIR OF SPEAKER IS ATTACHED WITH SOUND CARD ON THE MOTHERBOARD. SPEAKERS ARE COMMONLY USED WITH MULTIMEDIA SOFTWARE FOR PLAYING MUSIC AND VIDEOS ON COMPUTER.