![]() In all databases, including a flat database (one or an unliked table database), each table has a primary key field for each row., this is unique and cannot be repeated For example, in your database, you might have all the members of your gym. The power has just gone off, this means that any changes made since she last saved have been lost.Ī Relational Database, is multiple tables linked together. She then wanted to make some more changes so the file was moved back into RAM so she can make the changes. She saved her work 5 minutes ago, this means the work was saved onto the hard drive. RAM is volatile, meaning when you turn the computer off, anything that was stored in RAM is lost.Įxample 3: Penny has been working on her PowerPoint presentation. If the power goes off before you have saved your game you will lose your current progress.Įxample 2: RAM (Primary storage). Then the computer can run the game and you can play it. When the power goes off any work that was not saved is lost.Įxample 1: When you want to play a game, the game is transferred from the hard drive to the RAM. ![]() RAM is primary storage and volatile memory. The gold areas are the connectors and the black are the storage. Increasing the amount of RAM will allow your computer to run faster. Your computer cannot run a file or game from the hard drive, it must move it into RAM so it can then be used. This would spoil the recording or make it hard to hear when talking on the phone. A hard disk drive (HHD) is no good for her mobile phone or any other video or sound device for that matter, as the disk makes a noise and vibrates as it spins. Ignot backs up all his files to an external hard disk.Įxample 3: Murgatroyd has a new mobile phone. Both will allow you to save work and back up your files. He uses this to save all his work, if the power goes off, his work is safe.Įxample 2: As well as an internal hard disk drive (HDD) you can also purchase an external drive. A hard disk drive (HDD) has moving parts so it's slower than an SSD and it makes noises with vibrations as the disk spins.Įxample 1: Herbert's My Documents folder is his hard disk drive (HDD). Secondary storage devices retain the information when the power is turned off. At the time of writing a 12TB HDD was available, in 2022, though most are less. RocketCake is a convenient website editor that allows you to easily create websites without knowledge of web programming.A Hard Disk is a large-capacity, secondary storage disk that stores all your information, programs, games, files, etc. You can create various websites for different purposes RocketCake is a WYSIWYG (what you see is output) website editor that allows you to create web pages with simple mouse and keyboard operations without programming knowledge. RocketCake includes 18 beautifully designed templates for corporate, hotel, restaurant and other sites that users can use directly on their websites. The app is made for beginners and professional web developers to easily create websites without any HTML or CSS coding skills. ![]() RocketCake is free website builder software that allows you to create responsive websites that can be displayed on PCs, tablets and mobile devices with simple operations. ・You don't need to learn HTML or CSS.Create websites with clicks, drag-and-drops, and keystrokesīuilt-in support for all essential HTML elements such as image galleries, slideshows, resizable containers, stylish buttons, gradients, HTML 5 video and audio Create and edit websites that can be viewed on tablets, PCs and mobile devices RocketCake is a free responsive WYSIWYG website editor. A free website editor for Windows that lets you create and edit responsive websites for tablets, PCs and mobiles for free.You can easily create websites for individuals, companies, shops, offices, etc.
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