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Beschreibung
Karteikarten von JakeHull10, aktualisiert more than 1 year ago
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Erstellt von JakeHull10
vor etwa 10 Jahre
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| Frage | Antworten |
| What is a processor | There is a processor in all digital devices, it controls the functions of of the device. It controls and executes operations |
| What is RAM? | Random-Access-Memory The area where the processor stores the programs instructions. Different devices have different amounts of RAM |
| Name the scale in which data goes up in | A bit = 1 or 0 = On or off A nibble = 4 bits A byte = 8 bits or 2 nibbles 1 Kilobyte (KB) = 1000 bytes 1 Megabyte (MB) = 1000 Kilobytes 1 Gigabyte (GB) = 1000 Megabytes 1 Terabyte ( TB) = 1000 Gigabytes |
| Name the other types of memory instead of RAM | SDD ( SOLID DISC DRIVE) HDD ( HARD DISC DRIVE) |
| Names the advantages and disadvantage of an SDD | SDD Adv - No moving parts that can be easily broken - doesnt lose data when turned off - produce less heat and noise - quicker start-up time Dis - Still uses more power than a HDD, which drains battery life - Costs more - Very few large capacity SDD models |
| Names the advantages and disadvantage of an HDD | Adv - Large storage capacity - Contains the opertaing system and installs apps -Cheaper Dis - Requires moving parts that can break - Start up time is slower - Produce more heat and noise |
| What is flash memory and its advantages | A type of peripheral that is ideal for portable devices eg usb - it doesnt lose data when turned off - it doesnt require moving parts - it is removable so data transfer is available |
| State the three types of peripherals | 1. Storage Devices 2. Input devices 3. Output devices |
| Define an storage device and state some examples | Storage Device - A storage device is any media which is used to store data. - Hard disk - DVDs - CDs - Magnetic tape - Flash memory (USB memory sticks) |
| Define an input device and state some examples | An input device is a piece of hardware that is used to enter data into a device manual- Keyboard -Mouse - Touchscreen Automatic - Barcode Readers - Sensors |
| Define an output device and state some examples | An output device is a piece of hardware that is used to output data that has been previously entered into a device - Monitor - Printer - Projector - Speaker/ Headphones |
| What is the definition of local storage | - when your files are stored on the digital device you're using |
| Whats the definition of online storage | - when your filed are stored on a server elsewhere which you access via the internet. This is referred to as ' in the cloud' |
| State some advantages and disadvantages of local storage | Adv - You have control over access to your files and the security of the data - Data can be accessed quickly - You dont need an internet connection Dis - You're responsible for keeping the data safe - It is difficult to share data with others - You have to back up your data |
| State some advantages and disadvantages of online storage | Adv - The data is available anywhere with an internet access - Some online data storage services are free - it is easy to share data with others - data is backed up for you Dis - You have to trust the security of the organisation - The service may not be reliable - You need an internet connection - Less control of your data |
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