Flashcards
Common Features
Flashcards do conjunto (11)
- 1What does a processor do?Controls all the functions of the device, it is in all digital devices
- 2What is internal memory?It stores programme instructions and data, usually measured in bytes
- 3show the hierarchy of memory starting from 1 bytebyte → kilobyte → megabyte → gigabyte → terabyte
(1000x bigger each time) - 4What type of devices are digital devices?Storage devices
- 5Why aren't hard disk drives used in portable devices?Because they contain moving parts and can easily be damaged
- 6Flash memory is a peripheral that is ideal for portable digital devices, why is this?• It doesn't lose data when it's turned off
• Has no moving parts so not easily damaged (solid state)
• It is removable and can transfer data between devices - 7A secure digital (SD) card is a type of flash memory, how much can they store?Up to 4GB
- 8Describe two details about a micro SD card• They are smaller than SD cards and therefore used for smaller devices
• They are a type of flash memory - 9Describe a USB flash drive (memory stick)• it plugs into the USB port
• it can store up to 256GB - 10What is an SDXC (extended capacity) card?A type of flash memory that can store up to 2TB
- 11How much can an SDHC (high capacity) card store?Up to 32GB
Informações
- Descrição
- Year 10 IT (Personal Digital Devices) FlashCards sobre Common Features, criado por Raeesa Shah em 28-05-2017.
- Criado por
- Raeesa Shah
- Visualizações
- 14
- Avaliação