Flashcards
IT REVISION
Cards in this deck (18)
- 1Hard Drive/Internal storage Solid state storage/RAM/USB Cloud/Network storage Optical Drive (CD/ DVD) Physical StorageThese are the types of storage devices in/on computers
- 2Hard disk Advantages The Largest form of Storage available (Apart from the cloud) And data is not wiped from it. Cheapest storage system and can be upgraded easilyDisadvantages
Will wear out as it has moving parts and data can be erased if another magnetic device is near it - 3Solid state Advantages SSD'S are quicker to get data and last longer as they have no moving parts and no noiseDisadvantages
SSD's are more expensive than HDD'S and normally a lot smaller - 4Cloud storage advantages Isn't actually there Cheap SecureDisadvantages
HAS to be accessed via internet - 5Input devices Keyboard Mouse webcam microphoneoutput devices
Screen
Speaker/headphones
Projector - 6RAMRandom access memory
- 7RomContains the start up instructions
- 8The power supply is the battery. In computers it connects to the motherboardIn a laptop the battery is connected to the motherboard. Thape battery also connects to the mains.
- 9Main memory Solid state drive Hard diskAll names for hard drive
- 10The heat sink does not blow air into the the computer.It actually pulls the heat out.
- 11The netowork interface card enables the PC to wirelessly connect to the internetIf you don't have one you can plug am Ethernet cable into the motherboard.
- 12Rca cableRed is video
Yellow and white are audio - 13CPUs get very hotWhich is why the heat sink is over them
- 14Graphics cards can be onboard of of board Attactched to the mother board is on board And vice versaIf it is off board it isn't as good but cheaper
On board is better and expensiver - 15Ram is volatileIt gets wiped when the computer turms off
- 16The optical drive is basically the CD playerIt uses lasers to read the discs
- 17The CPU works with fetch decode execute cyclesThese cycles are measured in hertz. One hertz= one cycle
- 18The motherboard connects everythingThe CPU does all the calculations
Information
- Description
- Flashcards on IT REVISION, created by lcooper911 on 07/10/2014.
- Created by
- lcooper911 · Oct 2014
- Updated
- Feb 19, 2016
- Views
- 20
- Rating