How to Choose an ID Card Printer by Marcela Devivo
Choosing an identity card printer can be easy or difficult depending on your needs and requirements. Id card printers are one of the most important components in an ID card system and deciding which one to use is an important process that shouldn't be taken lightly. ... Fourth and last, you should consider whether you want encoding on your cards, such as smart card or proximity card capabilities, or magnetic stripes. ... An ID card printer should come with software; if it doesn't, take it back, as you can't install your printer without the software.

Proximity Readers by Andy Reed
Proximity readers are among the simplest access control systems to install and use. The principle is simple: they are encoded to read and respond to electronic signals from access cards, and only to cards that are specifically authorized. Unlike the swipe cards used at ATM readers at groceries... With some systems, contact is required: you simply touch the card to the magnetic-responsive face of the reader. ... Alternatively, or additionally, a numeric key-pad is used in conjunction with the magnetic coding embedded on the card.

History of the Computer - Codes for Data Transfer, Part 2 of 3 by Tony Stockill
COMPUTER CODES Various codes have been used in computing, EBCDIC, Fieldata etc., with various bit combinations, and total bits between 5 and 8. This often depended on which proprietary computer system you were using, and what type of device you were using. ... PUNCH CARD CODES Punch cards had been used since the 19th century, and a couple of different formats had emerged, round holes, rectangular holes, 80 per card, 90 per card, different codes, etc. ... MAGNETIC TAPE CODES Magnetic tape, initially on 10 inch reels of half inch wide tape, 2400 ft long, used variations of the computer...

POS Hardware by Steve Valentino
Technology can be very confusing for a buyer, especially when there a hundreds of products to choose from and it is necessary to decide which will suit his or her needs. Knowing some basics about point of sale (POS) requirements will simplify things to a large extent. ... Magnetic stripe card readers and check readers are essential for vendors who accept payment through cards and checks. ... Some of the mandatory hardware includes computer terminals, receipt printers, cash drawers, magnetic stripe readers, check readers, monitors or screens, keyboards, barcode scanners, and customer...

3.5" FDD (Floppy Disk Drive) is Dead! Long live the USB Drive! by Akhilesh Singh
Do you remember the last time you used the FDD drive of your computer, and for what? Chance is if you have used it then it would be for some emergency booting of the computer, or for recovery of your broken OS. Meaning you would have not used it for data transfer using this medium. ... Floppy Drive (8”) Once the magnetic media started to be used for storage, paper media was quickly made obsolete. ... Card printers were there to punch the output for storage. ... Programmers used to punch the card for providing input.

The Hard Disk by Pawan Bangar
From throwing our unnecessary files, to defragmenting, from partitions to formats-learn how to keep your hard disk in top shape The hard disk is the place where all your programs and data are stored. If the hard disk Stops working you could end up losing all your data. ... The hard disk communicates with a PC’s motherboard through an expansion card or a disk interface card. ... 5- Keep handy the driver disks for your printer, sound card, CD ROM driver, modem or other devices. ... 2- Backup all your important data onto another hard disk, recordable CDs, Zip Drive, magnetic tapes or floppies.