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Backing up Data

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Backing up Data means that you keep a copy of information on your computer and store it so it'll be able to restore the information if you somehow lose the information. There are other resources to back up the data, like a hard drive, but those devices could be destroyed or stollen. If you back up your information to websites (Google drive, One Drive) you'll be able to access the information even when you have lost the original file. Some types of Internal (Primary) and External (Secondary) are the following: 1. Magnetic - A system for storing digital information on magnetic tape using digital recording. They're most common on cassettes and tend to last longer. Another advantage to this device is it's cheaper compared to the other back up devices.  2. Optical - A system for storing digital information on Disc (Blu-ray disc, CDS, DVDS). They're written and read in forms of lasers inside the optical drive.They have limited storage so they&
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DOS Operating System DOS Operating System has a total of 4 components: File system, Process Manager, Memory Manager and Network Manager. There is a fifth component, IO Manager, but since DOS doesn't have a user interface it does not contain this component. 1. File system The file system for DOS is a FAT16 system, its able to keep track of where the files were on your computer.  Although, al l files on the system are limited to eight characters and a three letter extension. The MS-DOS filesystem also has a limit of approximately 2.1 Gigabytes. 2. Process Manager   DOS is a FIFO processor (First In First Out) meaning it can only do one task at a time. 3. Memory Manager  DOS comes with the standard extended memory manager called  HIMEM.SYS  The amount of memory present (and available) in a system can be found by running the following command: " mem " (or " mem /c |more " for more detailed information). 4. Network Manager  In DOS
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How an Operating System manages Hardware in a computer                    What is an operating system?  an operating system is a system that allows the computer system to work. The operating system controls two main things: Managing the  software  and the  hardware So how does an operating system manage the hardware in the computer? The operating systems controls things, such as the processor, disk space, etc. Somethings that the operating system does is: Control the operation of the input and output Backing up storage devices Checking the loading and storage of apps Handle the errors that happen in apps Controls the security of the entire computer system The operating system controls what goes through in and out of the computer and the operating system also is in charge of backing up the storage and information on the computer. These are just a couple examples on how the operating system works.
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Hardware Hardware is basically the physical parts or components in the computer. There are many different categories of Hardware, but for this post I will focus on the two basic ones: Input and Output According to the Cambridge dictionary, Input is the part that carries information to the machine (in this case, its the computer) the information is carried through an input device. Some examples of an input devices are: keyboard, mouse, webcam and a scanner. Output is the part that carries information out of the machine, its carried through an output devices. Some examples of an output devices are: printers, projectors, speakers and headphones.
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