A mag stripe terminal simply reads the card data contained on the magnetic stripe.
Which of the following technologies uses a separate transistor to apply charges to each liquid crystal cell?
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| What method is used to read a bar code? | A bar code reader uses laser beams to read bar codes. |
|---|---|
| Which of the following technologies uses a separate transistor to apply charges to each liquid crystal cell? | active-matrix |
What is a device that attaches to a ceiling or wall in an auditorium that displays text and images on a screen called?
Input and Output
| Question | Answer |
|---|---|
| This device obtains data directly at the location where the transaction or event takes place | data collection device |
| A device that attaches to a ceiling or wall in an auditorium that displays text and images on a screen is called a __________ | data projector |
What is the measure of a display’s width relative to its height?
For a rectangle, the aspect ratio denotes the ratio of the width to the height of the rectangle.
What is magnetic strip used for?
One of the most common ways to use magnetic strips is to hold kitchen knives and utensils in the kitchen. Magnetic strips work great in small kitchens, because they help get items off the countertop so there’s less clutter.
When a user types data on a keyboard what is occurring quizlet?
Numbering system uses only the numbers 0 and 1? Computer memory and computer storage are available in varying sizes. When a user types data on a keyboard, what is occurring? The user is using an input device to enter input into the memory of the computer.
Which of the following is a device that uses a light source to read characters?
Abbreviated OCR, optical character recognition devices also use a light source to read special characters and convert them into electrical signals to be sent to the central processing unit.
What is the oldest optical disc still in use today?
(compact disc):
CD (compact disc): The oldest type of optical disc in use today, with a storage capacity of about 700 MB. CPU (central processing unit): The brain of a computer; housed inside the system unit on the motherboard. It consists of two parts: the arithmetic logic unit and the control unit.
Which of the following best describes a back door?
Which of the following best describes a back door? A program or set of instructions that allows user to bypass security controls when accessing a program, computer, or network. A rootkit can be a backdoor.
Is your chip card secure much depends on where you bank?
Much Depends on Where You Bank. Virtually all chip-based cards still have much of the same data that’s stored in the chip encoded on a magnetic stripe on the back of the card. …
How can a magnetic strip carry information?
A magnetic stripe card is a type of card capable of storing data by modifying the magnetism of tiny iron-based magnetic particles on a band of magnetic material on the card. The magnetic stripe, sometimes called swipe card or magstripe, is read by swiping past a magnetic reading head.
When a user types data on a keyboard what is occurring group of answer choices?
When a user types data on a keyboard, what is occurring? The user is using an input device to enter input into the memory of the computer.
What are the three categories of items stored in computer memory?
This lesson covers the basics of the computer memory function, including how data is stored and used in computers. Different types of memory, from ROM and RAM to cache and virtual memory, will be covered.
Is a device that uses a light source to read character marks and codes and convert to digital data?
An optical reader is a device that uses a light source to read characters, marks, and codes and then converts them into digital data that a computer can process. Two technologies used by optical readers are optical character recognition and optical mark recognition.
What is the technology called that enables you to print photos without a computer?
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| What method is used to read a bar code? | A bar code reader uses laser beams to read bar codes. |
|---|---|
| What is the technology called that enables you to print photos without a computer? | PictBridge |
What type of technology does the barcode reader use quizlet?
What type of technology does the bar code reader use? Output is data that has been processed into a useful form. Uses of RFID include tracking times of runners in a marathon and checking out library books. As the resolution increases, some items on the screen appear smaller.
What is the usual rate of speed for the platters in a hard disk?
As of November 2019, the platters in most consumer-grade HDDs spin at 5,400 or 7,200 RPM.
What does a GPU control group of answer choices?
What does a GPU control? The manipulation and display of graphics on a display device.
Is an abusive or insulting message in online communication?
Humphreys defines flaming as “the use of hostile language online, including swearing, insults and otherwise offensive language”. Flaming by perpetrators within the online community is commonly received by messaging through text and rarely by face to face or video communication.
How is the magnetic stripe on a credit card read?
The magnetic stripe, sometimes called swipe card or magstripe, is read by swiping past a magnetic reading head. Magnetic stripe cards are commonly used in credit cards, identity cards, and transportation tickets.
What causes a magstripe to be erased on a credit card?
Erased magstripe (The most common causes for erased magstripes are exposure to magnets, like the small ones used to hold notes and pictures on the refrigerator, and a store’s electronic article surveillance (EAS) tag demagnetizer .) Cite This! “How does a magnetic stripe on the back of a credit card work?”
What makes up the back of a credit card?
The stripe on the back of a credit card is a magnetic stripe, often called a magstripe. The magstripe is made up of tiny iron-based magnetic particles in a plastic-like film.
How can you tell if a magnetic stripe has been cloning?
Magnetic stripe cloning can be detected by the implementation of magnetic card reader heads and firmware that can read a signature of magnetic noise permanently embedded in all magnetic stripes during the card production process.
