<u><em>Differences between barcode reader and character recognition devices:</em></u>
Barcode Reader or Barcode Scanner:
- Barcode Scanner scans the data by brightening the barcodes usingSensor
- The analog signal is then converted into digital signal by Converter.
- The Decoder calculates the converted data and sends valid data to the computer.
Character Recognition Devices (OCR):
- OCR scans the physical document and converts them into two-coloured format.
- The darker and lighter area are identified as characters and blanks respectively.
- The common methods used are: Pattern Recognition and Feature Detection.
Explanation:
Once a virus has successfully attached to a program, file, or document, the virus will lie dormant until circumstances cause the computer or device to execute its code. In order for a virus to infect your computer, you have to run the infected program, which in turn causes the virus code to be executed.
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Answer:
Routing
UTM
Explanation:
Although routing is related to routers, or in other words, forwarding data packets over a network, nowadays, it is common to have a wireless access point and router in one device.
Also, UTM (Unified threat management) is a modern approach to network security which covers multiple devices with a single security implementation. There are several UTM devices that can have a configured WAP.
Answer:
// First create a file object to hold the filename, poem
File file = new File("poem");
// Create a Scanner object to use the file
Scanner input = new Scanner(file);
// Use the input to get the first line in the file
// Store the result in a string variable line1
String line1 = input.nextLine();
Explanation:
The code contains comments that explain the program
Hope this helps!
