Asked by Andy Blackwell Uncategorized
is an input device to read images as inputs?
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Asked in Computers, Computer Hardware
Is platter a input device or output device?
An interesting question. Typically, devices fall into a category of 'input' or 'output'. A monitor, for example, would universally be regarded as an output device. A keyboard, an input device. A platter, which I'm assuming is a hard drive platter and not a delicious halal meal, falls neatly into both catgeories. It is an input device when data is being read from it, and an output device where data is being read to it.
Asked in Computer Hardware
Is dot matrix printer an input device or output device?
Asked in Floppy Disk Drives
Is the Floppy disk an input device or output device?
It's both. You can read the data on the disk making it an input device, and you can write data to the disk making it an output device. A floppy disk is a storage device. There is often confusion about this, as the user could be seen to be "inputting data" by inserting a disk or "outputting" by removing it, but in actuality the floppy disk is a storage device.
Asked in Computer Hardware, Data Storage Devices
Is a storage device an input or output device?
A storage device is both an input and output device. I has to be if it is to store something like data. Consider that a hard drive is a computer memory device, and data is both written to and read from the hard drive during normal operation of the computer. If the hard drive did not have the capability of input and output, it would not be useful in its application in the computer.
Asked in Computers
What is a device that is used to input printed matter and convert it into a format that can be read by a computer?
Can the hard disk of today used as input or output explain?
Asked in Electronics Engineering
Why generally you can use active low signal?
in case of TTL compatibility gates there can be three inputs one is HIGH input,LOW input and the input may be OPEN( i.e.neither Low nor high). In such case High and open inputs gives out the same output. such as if we have NOT gate of TTL family if the input is HIGH or OPEN the output will be LOW. so if there will be an active high Read signal to a microprocessor if the read wire is coincidentally broken it will be taken as OPEN input or HIGH input (as both are the same) so we are not actually sending the read signal but the microprocessor is getting the Read signal which is not desirable.So we made the Read signal to be active low so that it will be activated only if it will be low, neither during it is high, nor when it is open.
Asked in Computers, Computer Hardware, Java Programming
What Method is used to read user inputs from standard input device in java?
In Java, System.in refers to the standard input stream (stdin). System.in is an instance of InputStream, which has a basic read method that allows you to read in one byte of data at a time. Quick example: System.out.println(System.in.read()); //User inputs "A", output is 65 Because the functionality of InputStream is so limited, Java offers more complex classes that can deal with input. Scanner is often used, which allows you to easily iterate through numerical input, entire lines of input, and user defined patterns. Another example with Scanner: Scanner sc = new Scanner(System.in); System.out.println(sc.nextLine()); //User inputs "Hello World", output is "Hello World" Scanner has many other methods that are best left to a separate question. It is worth noting that when you interact with System.in you need to handle possible IOExceptions.