A device operating at the physical layer is called a :

Related MCQs

• The unique signal, generated by a device, that tells the operating system that it is in need of immediate attention is called an :
• A device that operates under the control of another device is called :
• The operating system creates from the physical computer :
• The category of operating system that you most likely have running on your PDA computer is a ………..operating system
• Macintosh computers use the Macintosh operating system (Mac OS), whereas PCs generally run………..as an operating system.
• The operating system that is self-contained in a device and resident in the ROM is…………
• The barcode which is used on all types of items is read by a scanning device directly into the computer. What is the name of this scanning device?
• The barcode which is used on all types of items, is read by a scanning device directly into the computer. What is the name of this scanning device?
• The 3 functional elements of a digital computer are input device, output device and
• An input device used to read text and bar codes or a device to input pictures into a computer.