Revision Gcse Ict
Unit 1
Phones
Choosing a phone: * Picture resolution (pixels) * Camera resolution (megapixels) * Storage capacity (gigabytes) * Memory card (gigabytes)
SD and SDHC cards: flash memory cards, SD (2GB), SDHC (32GB)
Wi-Fi: wireless fidelity. Long-range data transfer.
Bluetooth: Short-range data transfer.
User Interface: the way in which a user interacts with a system
Features for the elderly: * Easier navigation * “Panic” button * Larger sized buttons and keys
Pro’s and Con’s of mobile phones * Texting can give RSI * Unsure of the risks * Impact of “text” speak * Cyber bullying and crime
Computers
Types of computer: * Desktops * Laptops * Notebooks * Net books * Personal Digital Assistants (PDA)
Computer features: * Processor (CPU): The faster the processing speed and power the computer uses. * Memory: RAM (random access memory), the higher the RAM the more programs you can access and open at once. * Hard-drive size: The primary storage of the computer, the size of the hard drive is measured in bytes. * Wireless Enabled: This enables you to connect to a network, * USB Connection: The most common method of connecting peripherals to a computer. * Sound card/Graphic card: Devices which enhance aspects of the computers motherboard. * Optical Drive: Allows the installation of software.
The Internet
3G: allows for high-speed data transfer.
GPRS: a system that allows immeadiate and continuous access to the Internet from a wireless device.
EDGE: EDGE allows the delievery of advanced mobile services such as the downloading of video and music clips.
Latency: The time delay between the initiation and the detection.
Internet Service Provider: A company that provides Internet access to its customers.
VolP: Technology is used to make telephone calls via the internet, usually at a cheaper cost.
Social Networking site: an online community where people can
Phones
Choosing a phone: * Picture resolution (pixels) * Camera resolution (megapixels) * Storage capacity (gigabytes) * Memory card (gigabytes)
SD and SDHC cards: flash memory cards, SD (2GB), SDHC (32GB)
Wi-Fi: wireless fidelity. Long-range data transfer.
Bluetooth: Short-range data transfer.
User Interface: the way in which a user interacts with a system
Features for the elderly: * Easier navigation * “Panic” button * Larger sized buttons and keys
Pro’s and Con’s of mobile phones * Texting can give RSI * Unsure of the risks * Impact of “text” speak * Cyber bullying and crime
Computers
Types of computer: * Desktops * Laptops * Notebooks * Net books * Personal Digital Assistants (PDA)
Computer features: * Processor (CPU): The faster the processing speed and power the computer uses. * Memory: RAM (random access memory), the higher the RAM the more programs you can access and open at once. * Hard-drive size: The primary storage of the computer, the size of the hard drive is measured in bytes. * Wireless Enabled: This enables you to connect to a network, * USB Connection: The most common method of connecting peripherals to a computer. * Sound card/Graphic card: Devices which enhance aspects of the computers motherboard. * Optical Drive: Allows the installation of software.
The Internet
3G: allows for high-speed data transfer.
GPRS: a system that allows immeadiate and continuous access to the Internet from a wireless device.
EDGE: EDGE allows the delievery of advanced mobile services such as the downloading of video and music clips.
Latency: The time delay between the initiation and the detection.
Internet Service Provider: A company that provides Internet access to its customers.
VolP: Technology is used to make telephone calls via the internet, usually at a cheaper cost.
Social Networking site: an online community where people can