Question

Question 5

(a)The student membership card for the university has the student’s picture on it.
Describe how the student’s picture is produced digitally on the card. [4 Marks]

b) When the card is used at a terminal, a bar code, which is printed on the card, is
scanned and an output is produced.
(i) Describe how the bar code works in this example. [4 Marks]


(ii) Identify two different output formats which would be used at the point of
sale terminal, stating why they are necessary. [4 Marks]


c) Explain how a laser printer places an image on paper. [5 Marks]


d) Memory sticks (USB drives) are rapidly replacing floppy disks as a means for
transferring data from one computer to another. State THREE reasons why
they are preferred.

Answer 1

The student membership card for the university has the student’s picture on it.
Describe how the student’s picture is produced digitally on the card.

Photograph distinguishing proof cards regularly contain a photograph of the cardholder and other novel data, for example, name, address, work title, or other information that shows unique approvals.

One of the most widely recognized employments of ID cards is fundamental photograph distinguishing proof. ID cards are typically produced using PVC, and are in some cases secured with an overlaminate to ensure data on the card and to expand solidness and security. Notwithstanding, personal ID cards fill some needs, and are fundamental in many work and high-security conditions where distinguishing proof is basic to the main job. The present ID cards range from basic personal IDs directly on up to cutting edge multifunctional cards.

More unpredictable cards can incorporate a scope of innovations, for example, a standardized tags attractive stripe or savvy card encoding to build card usefulness. Adding these components into the card configuration considers combination with access control frameworks for structures and PC organizations, credit only installment, or time and participation following. Nearness cards or contactless brilliant cards are installed with Radio Frequency (RF) innovation, which empowers them to be perused from a separation as a card holder passes by a card peruser.

Making an ID card requires an uncommon printer that can print on sturdy PVC plastic cards. ID card printers print utilizing a cycle that either applies gum to the outside of a card, installing the shading through a cycle called color sublimation, or prints pictures, illustrations, and text on an extraordinary film which is then intertwined to the card in a cycle called invert move printing. The cards might be preprinted with basic data, for example, an organization logo, and afterward took care of through the ID card printer to add every cardholder's remarkable data. Contingent upon the kind of printer and the highlights it underpins, ID cards can be encoded and security overlaminates can be applied simultaneously or in a different pass.

operation: 2

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When the card is used at a terminal, a bar code, which is printed on the card, is
scanned and an output is produced.

Describe how the bar code works in this example.

Prepared to utilize your ID identification for something beyond photograph recognizable proof? You will be shocked at the fact that it is so natural to add standardized identifications to ID cards! Any of the card printers ID Wholesaler conveys will permit you to print a standardized tag, however you will require programming so as to produce it. Each brand of ID card programming will do commonly something very similar, they simply have an alternate look and "feel" by they way you use them. One of the most mainstream programming alternatives is HID's Asure ID Express

Adding a barcode code in Asure ID consists of only a few easy steps:

1. Select the Barcode button in the Design Center. Drag and drop your barcode to your card template.
2. In the Properties box, select the type of barcode you would like, there are about 20 standard options. Your specific application will determine what type you will need.
3. Select from an existing data field or create a new one. Using Asure ID’s Live Link feature you can have this field auto-populated from an outside database if you’d like. For example, if you have your employee #’s in your HR database you can simply link to that data source.

Adding a barcode to your ID badge will not cost you any additional money, unlike switching to a magnetic stripe card. Take a look at the features and functionalities offered by Asure ID Express.

You'll need to make certain to print the standardized identification utilizing the "K" (dark) board of a YMCKO lace, so it is intelligible with a scanner tag scanner. The dark you get from the YMC color sub boards is certifiably not a genuine dark and isn't gotten by standardized tag scanners. While the K board is made of gum, which will be gotten by a scanner. There is a check enclose most projects to indicate this alternative.

Stressed over somebody making an unapproved duplicate of a standardized tag? Forget about it, ID Wholesaler offers Barcode Mask Cards that will make it outlandish for somebody to make a duplicate.

Identify two different output formats which would be used at the point of
sale terminal, stating why they are necessary.

Counter-based retail location frameworks

There's a consolation and custom to taking things to a customer facing facade counter for installment. So the customary installment terminal POS framework isn't probably going to vanish any time soon. For most retailers, their arrangement comprises of a PC or Laptop, POS programming, standardized tag scanners, money cabinet and receipt printers.

Your POS programming ought to be empowered to recommend up-selling and strategically pitching alternatives for your staff, just as inside and out reports on deals and stock so you can adjust to request fittingly. Cloud-based programming will empower you to add new installment terminals effortlessly just as surrendering you to-date, live data on stock, coordinations and deals.

Versatile retail location frameworks

Counter terminals actually have their place for most stores, however retailers presently don't should be fastened by wires either. With adaptable portable POS frameworks for tablets it's anything but difficult to set up a versatile framework that joins straightforwardly to your actual stock and updates information continuously. Your staff can move toward clients on the shopfloor and make the deal straightforwardly. They can show items and access evaluating while they're with the client, including at expos or spring up stores.

Online retail location – eCommerce

The present online customers hope to get a similar degree of administration and experience to what they get available. The more steady, consistent and important you can make the internet business store and checkout measure, the better possibility you have of changing over interest into deals.

Picking a web based business stage that incorporates portable responsive plan, detailing, coordinations and stock will guarantee your online store is anything but difficult to work and oversee.

Omni-channel retail location

For a genuinely best practice approach, your available and online deals activities ought to be running off one coordinated framework. That implies one stage to oversee and screen your stock levels, valuing, clients and other pivotal information. Abstain from settling on that decision to your online client saying 'sorry' that they won't get the products they've bought in light of the fact that you sold the final stock in-store prior that day – yet your site wasn't modern. The present purchasers have more decision than any time in recent memory, they won't acknowledge pardons for such instances of detached frameworks.

Explain how a laser printer places an image on paper.

They work by utilizing a warmed wire to emphatically charge a drum, which is then ignored by a laser that switches the charge in the territories that it hits. The currently contrarily charged regions of the drum speaks to the picture or text that will be printed.

A toner roller is disregarded the drum, and toner particles adhere to the adversely charged zones. A piece of paper is then taken care of underneath the toner-covered drum and the toner is passed onto its surface, making a printer duplicate of an advanced record or picture.

With the principal laser printers being made financially accessible in 1976, laser printing has substantiated itself as a dependable and compelling printing arrangement.

Consolidating laser bar innovation so as to give high accuracy yields, laser printers are the ideal decision for workplaces and occupied work environments.

Bit by bit: The laser printing measure

The laser printing measure is in a general sense not quite the same as the inkjet printing measure, which uses exactness surges of ink to print onto the paper.

The laser printing measure includes 9 key advances.

– The information needed to be printed is moved from the PC to the laser printer. This is typically through an ethernet link or remotely if the printer has remote capacities.

– The printer at that point needs to arrive at the necessary temperature by means of the warming of the crown wire. This wire once warmed, passes an electrical static charge to the drum unit.

– The drum unit, presently emphatically charged, is prepared to get the laser shaft and start the information move measure legitimately onto the drum.

– Once the laser is enacted, the shaft reflects off a moving mirror unit which coordinates the bar legitimately onto the drum unit.

– In the regions where the shaft hits the drum, the charge is changed from negative to positive. The contrarily charged zones presently speak to where toner particles will stick to the drum and be legitimately moved onto the paper.

– The ink roller currently starts to cover the drum with toner. Toner is involved infinitesimal ink particles which, presently emphatically charged, stick to the adversely charged territories on the drum unit.

– An emphatically charged piece of paper is currently passed near the drum, drawing in the contrarily charged toner particles onto the page.

– The paper, presently containing the inked content, is passed into the fuser unit where the rollers meld the toner particles to the paper.

– The page is then gone through to the opposite side of the copier, and you presently have one effective printout!

Memory sticks (USB drives) are rapidly replacing floppy disks as a means for
transferring data from one computer to another. State THREE reasons why
they are preferred.

• Small
• Easy to carry
• Cheap
• Easy to transport and handle
• Data on a floppy disk device can be write-protected from being changed accidentally
• Floppy disk can be used to transfer data from one computer to another computer
• Portable and inexpensive
• Data on a floppy disk can be accessed randomly manner
• Useful for transferring a small file
• Security tab to stop data from being overwritten