Input and output device (Chapter 2)
A) Take the correct answers.
1. A graphic tablet is also known as a.
Ans- Pen Tablet
2. It is a pattern of vertical line of varying thickness.
Ans- barcode
3. Which of the following uses MICR technique?
Ans- cheque
4. It is a security identification device.
Ans-biometric device
5. The flat surface of the plotter is called
Ans- bed
B) Fill in the blanks.
1. Graphic tablets are generally used by artists, architects, and fashion designer.
2. The OMR – reader detects the marked area in the printed paper.
3. A plotter prints vector graphics.
4. In the non- impact there is no physical contact between the paper and the ink ribbon.
5. Drum plotter is also known as roller plotter.
C) Answer in one word.
1. Which code contain a pattern of square and dots -OMR
2. Name the device that reads and records the data store in a card and passes it on the another device - card reader
3. Name any one biometric identification feature found in smartphone- finger touch
4. How many pages can a laser printer print in a minute?-Ten
5. A printer that prints by spraying is small drops of ink on the paper-inkjet printer
D) Answer the following questions.
1. What is the barcode reader?
Ans- a barcode reader is a handheld scanner. Iti Ritz or scan the barcode stat appear on different products using light beam and displays the information on the monitor fullstop barcode reader are most commonly found in supermarkets and malls.
2. What is the difference between magnetic card reader and smart card reader?
Ans- Magnetic card reader is used to read a information contained in magnetic stripe card such as debit card and credit card add a smart card reader reads a smart card. A smart card looks similar to a magnetic card but instant of a magnetic district it contain a tiny chip
3. Explain the utility of biometric device.
Ans- biometric is security identification device. It is used to authenticate a person’s identity based on some unique characteristics ,like fingerprints, facial image and voice recognition. A person must be physically present at the time of identification.
4. Differentiate between an impact and non impact printer.
Ans- impact printer- the character and graphic are printed by striking on the paper.
• This type of printer create noise while printing and does not produce very high quality print.
• Non impact printer- this kind of printer there is no physical contact between the paper and the the ink ribbon.
• The painting had do not strike the paper.
5. Define the term plotter. Write it types.
Ans- aprotic and print on very large seat while maintaining high resolution.
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