MICROPROCESSOR AND MICROCONTROLLER

INTRODUCTION TO MICROPEOCESSOR

MICROCOMPUTER SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
It is a hardware-and software-that are useful when an I/O device needs to be serviced only occasionally at low data-transfer rates.
A
Acknowledge
B
Input Buffer Full
C
Interrupts
D
Output Buffer Full
Explanation: 

Detailed explanation-1: -A software interrupt causes the program to interrupt its execution and goes to an interrupt service routine. Typical software interrupts include reading a key from the keyboard, outputting text to the screen and reading the current date and time.

Detailed explanation-2: -One of the important jobs of an Operating System is to manage various I/O devices including mouse, keyboards, touch pad, disk drives, display adapters, USB devices, Bit-mapped screen, LED, Analog-to-digital converter, On/off switch, network connections, audio I/O, printers etc.

There is 1 question to complete.