Disadvantages Magnetic backing storage media Stores the binary data on a disk or tape coated with a material that can be magnetised differently‚ depending on whether a 0 or 1 is stored. used for tertiary and off-line storage. Data stored in backing storage is permanent so it is NOT lost when the computer is turned off. It is always slower to access data from backing storage than from internal memory. Fixed hard disks A hard-drive built into the case of the computer is known as ‘fixed’. Most
Premium Computer data storage Memory card USB flash drive
BREAK Sets or clears extended CTRL+C checking. CD Displays the name of or changes the current directory. CHCP Displays or sets the active code page number. CHDIR Displays the name of or changes the current directory. CHKDSK Checks a disk and displays a status report. CHOICE Prompts the user to make a choice in a batch program. CLS Clears the screen. 2COMMAND Starts a new instance of the MS-DOS command interpreter. COMP Compares the contents of two files or sets of files
Premium File system Floppy disk
size of a disposable lighter and can be conveniently worn around your neck or attached to your keychain. The end of the flash drive is inserted into the USB port on the computer. Once attached to the computer‚ they operate in much the same way as floppy drives‚ but have capacities currently in the range of up to 2 gigabytes. Pen drives‚ or USB--based technology thumb drives‚ have become the most popular data storage media devices for working professionals‚ students‚ academicians and independent
Premium USB flash drive Floppy disk
data that is not being used 3) The most widely used form of secondary storage is magnetic disks because they are nonvolatile. 4) They are portable‚ inexpensive‚ lightweight‚ nonvolatile‚ and easily accesible. 5) It must be formatted‚ formatting defines the disk surface and erases any pre-existing data. It also scans the disk for any defects. 6) 1‚ the recording density. 2‚ the number of tracks on the disk. 7) Access time is the time required to access and retrieve data. This time is made up of
Premium Floppy disk USB flash drive Backup
their properties. A file manager provides a graphical and more intuitive way in which it handles these tasks. The concept behind the lunix system‚ Unlike a Windows operating system‚ Linux does not use drive letters. In Windows‚ you would address the floppy drive as A:\‚ Windows system data is under C:\‚ and so on. In Linux‚ all files and directories are located in a tree-like structure. The topmost directory is referred to as the file system root or just /. All other directories can be accessed from
Premium Operating system File system Linux
devices and tertiary storage devices. The classification of computer storage devices is made based on the task performed by the device. The primary storage device is commonly called random access memory‚ while the secondary storage device is the hard disk. The tertiary storage devices are removable mass storage devices. While the amount of data stored on the primary is less and is volatile in nature‚ while the secondary storage device have better storage space and also is non volatile in nature. Let’s
Premium Computer data storage Data storage device USB flash drive
hard drives‚ floppy drives and CD-Rom drives. Hard drives come in all computers and are the main storage device. An average hard drive usually stores from four to fifty gigabytes‚ but there are hard drives with much greater capacities available. A hard drive works by using multiple platters which are made of glass‚ aluminum or ceramic which has been coated with a magnetic material. The data is recorded by arranging the magnetic particles in order to form bytes on the disk. Floppy drives are another
Free Floppy disk
or computer –based directory assistance operations Secondary Storage Device Access Method Magnetic tape Sequential access Access time is slower than hard drive Magnetic Disk Floppy disk Direct access Access time is very slow Hard disk Direct access Access time is very fast ( currently the fastest) Zip disk Direct access
Premium Floppy disk USB flash drive Blu-ray Disc
mouse Step 9: Check external cables Step 10: Clean the floppy drive Step 11: Clean the tape drive Step 12: Check the CD tray Step 13: Check the sound system Step 14: Check color purity Step 15: Check the fans Step 16: Clean fans and filters Step 17: Check expansion boards Step 18: Check internal cables Step 19: Check memory Step 20: Check the CPU Step 21: Check drive mounting Drive Check 3 Step 22: Update the boot disk Step 23: Run ScanDisk Step 24: Run Defrag Preventive
Premium Floppy disk Backup
Jamarha Montgomery Mrs. Hill ENG _____ 6 March 2009 The Major Events and Breakthroughs of the Nineteen Seventies The nineteen seventies was a decade that experienced economic crisis‚ political struggle‚ feminism‚ and a rise of subcultures such as the hippies. These events reflected the rising power of baby boomers‚ which are babies who were born during the post WWII years‚ who have become adults and made up the majority of the population. Because of this‚ the decade became a reflection of baby
Premium Richard Nixon Gerald Ford Watergate scandal