Flashcards
SLR 3
Flashcards do conjunto (16)
- 1Give some examples of input devicesAny device which can take information from the real world and convert into machine readable code.
Keyboards
Cameras
Scanners
Microphones - 2Give some examples of output devicesAny device which takes machine code and produces and output in the real world.
Printers
Screens
Speakers - 3Examples of Optical storageCDs
DVDs
Blu Ray - 4Examples of Flash StorageUSB
SD Card
RAM
SSD - 5Examples of Magnetic StorageHard Drive
Magnetic tape - 6Explain what RAM doesRAM stands for Random Access Memory.
It's fast taking lass time to read and write.
Volatile - loses data when power is turned off.
Stores data and instructions the computer is currently using - 7Explain what ROM doesROM stands for Read Only Memory.
It can not be edited.
It's Non Volatile - doesn't lose power once the power is turned off.
Software stored on the ROM is called Firmware.
Used in game cartridges and the BIOS - 8What is Magnetic storage + examplesAny device which stores data using magnetic fields
Magnetic Tape
Hard Discs
Floppy Disc - 9Advantages and Disadvantages of Magnetic storageAdvantages:
Cheapest storage
Largest storage for your money
Disadvantages:
Slowest
Fragile due to moving parts - 10What is Optical storage + examplesDevices that store data using markers
CDs
DVDs
Blu ray - 11Advantages and Disadvantages of Optical storageAdvantage:
Cheap
Portable
Resilient
Disadvantages:
Slow
Smaller Size - 12What is Solid State storage + examplesAny device which stores data onto silicon microchips
It is also flash memory which reads and write to the microchips
Sd cards
USB drives
External hard drive - 13Advantages and Disadvantages of Solid StateAdvantages:
Durable due to no moving parts
Fastest
Disadvantages:
Expensive
Limited number of cycles - 14What is Virtual storage?Data that is stored over the net
Data stored on the cloud
Data that can be accessed from any internet connection - 15Benefits of Virtual StorageIts on the cloud and so can be accessed anywhere with internet.
Stored externally so data is saved if computer fails.
Data is stored in a safe server.
You can share information with others.
You can buy more space. - 16Downsides of Virtual StorageYou need internet to access it.
The speed is limited to the internet speed.
If the service is down, you cannot access it.
If the servers fail, you lose your data.
Hackers may be able to access your data.
Lots of space will cost a lot
Informações
- Descrição
- Third one of the bunch
- Criado por
- Lyle Winfield · set 2019
- Atualizado
- 8 set 2019
- Visualizações
- 8
- Tags
- Avaliação