September 17 2008

What is a flash?

What is a CD?

What is a VCR?

What is an 8 track?

what is a diginal mini disk?

What is a cassette?

What is a Vlnyl?

What is a Floppy disk?

What is a firewire?

 

 

What is a flash?

 

A USB drive  also known as a flash drive or keychain drive is a portable storage device that uses flash memory and is lightweight enough to attach to a key chain. When the user plugs the device into the USB port, the  computer's operating system recognizes the device as a removable drive and assigns it a drive letter.Some manufacturers offer additional features such as password protection, and downloadable  drivers that allow the device to be compatible with older systems that do not have USB ports. USB drives are available in capacities ranging up to about 65 (gbs) depending on manufacturer, in a corresponding range of prices.

 

 

 

What is a CD?

 

A  compact disk (also known as a CD) is an optical disc used to store digital data, originally developed for storing digital audio.Standard CDs have a diameter of 120 mm and can hold up to 80 minutes of audioThere is also the mini CD, with diameters ranging from 60 to 80 mm.CD's also store music and other files in digital form  that is, the information on the disc is represented by a series of 1s and 0s.There is also the mini CD, with diameters ranging from 60 to 80 mm.  In conventional CDs,there are represented by millions of tiny bumps and flat areas on the disc's reflective surface. The bumps and flats are arranged in a continuous track that measures about 0.5 microns across  (5 km) long.Whether they are used to hold music, data or computer software, they they will always be with us.

 

 

 

 What is a VCR?

A Video Cassette Recorders(VCR) can be used for Watching Movies, Recording or Making your own Movies using a camcorder.Here are a few things that VCRS need. Basically any VCR needs at least two video heads to record and playback a picture.Also greater number of heads allows for better playback and recording at different speed. HiFi refers to a VCR's ability to play back and record audio with near CD quality.A super VHS is a version of VHS that provides significantly sharper image resolution. A standard VCR provides about 240 lines of sharpness (resolution) while a Super VHS provides over 400 lines!

 

 

 

What is an 8 track?

 

An 8-track tape is a hard plastic cartridge about the size of an external modem that houses a continuous loop of non-digital  data stored on magnetic tapes. 8-track tapes, which can hold up to 45 minutes of sound. William Powell Lear was   the inventor of the 8-track cartridge tape system. During the early 1960s, a number of shell-encased continuous-loop audiotape systems. Lear's 8-track was by no means the first such system, in fact the   cartridge is in most respects identical to the 4-track tape which came before it. The main mechanical difference between the two systems is that in a 4-track, the pinch roller is part of the player, whereas in an 8-track, the pinch roller is part of the tape cartridge.

 

 

What is a diginal mini disk?

A MiniDisc (MD) is a  disc-based data storage device  intended  store of up to 80 minutes of digitized adoui. Now, in the form of HI-MD  has developed into a general-purpose storage system in addition to greatly expanding its audio roots.MiniDisc was announced by sony in 199. The music format was originally based exclusively on  audio compression. Recently, the option of  recording was introduced to attain truly CD-quality recordings. MiniDiscs are popular in Japan and Asia as a digital upgrade from cassette tapes, but have not been as popular in the West. 

What is a cassette?

The Compact casset , often referred to as  adio casset  is a sound recording  format. Although  the Compact Cassette is to suplient a reel to reel  tape recording in most non-professional applications. Its uses ranged from portable audio to home recording to data storage for ererly microcomputers.Between the early 1970s and late 1990s, the cassette was one of the two most common formats for prerecorded music, first alongside the LPand later on the Compact Disk.

 

What is a Vlnyl?

  A vinyl  is an analong sound stoage meduim consisting of a flat disc with an inscribed modulated groove usually starting near the periphery and ending near the center of the disc. When made of vinyl they were also known as vinyl records.  They replaced the phonograh cylender as the most popular recording medium in the 1900s, and although they were supplanted in popularity in the late 1980s by the diginal media  leaving mainstream by 1991, they continue to be manufactured and sold in 2008 still people like DJ and old stationed radios still use them today!

 

 

 

What is a Floppy disk?

A floppy disk   is a data storage medium that is composed of a disk of thin and  flexible ("floppy") the magneticstorage medium with a plastic shell. This disk revolutionized computer disk storage in the 1970s. Disk which were often called floppy disks or floppies by English speaking users. In their use with PC and  Home Computers such as the  Apple 2 , IBMs, and Maciotsh to distribute software, and tranfer data.

 

What is a firewire?

 Firewire  is a way to connect things together to transfer information. It is most often used to connect a Computer to an external hard drive. Firewire is popular in industrial systems for machine vision and professional audio systems. It is mostly preferred over the more an  USB  for its  effective speed and power capabilities also because it does not need a computer host. Perhaps more importantly,  Firewire makes full use of all SCSI  capabilities.