When we press a key, a tiny chip in the keyboard called keyboard controller notes that a key has been pressed. Keyboard controller places a coed in the buffer of the keyboard to indicate which key was pressed. Keyboard buffer is a temporary memory of the keyboard controller. The keyboard controller sends a signal to the system software notifying that something happened at the keyboard.
Category: Working Procedure
How does a CRT monitor produces image on the screen?
Last updated on August 29th, 2020 at 01:20 am Process of Producing Image on the Screen by a Color CRT
How does a color CRT monitor produces image on the screen?
Last updated on August 29th, 2020 at 01:21 am Process of Producing Image on the Screen by a Color CRT
What are the 6 steps followed by CPU in computer to Execute an Instruction?
Last updated on December 12th, 2022 at 09:50 pmCPU (Central Processing Unit) CPU or central processing unit in computer is
What are the categories of risks in software engineering? Explain the process of risk management.
Risk management is a series of steps that help a software team to understand and manage uncertainty. It’s a really good idea to identify it, assess its probability of occurrence, estimate its impact, and establish a contingency plan that─ ‘should the problem actually occur’. Risk management is a part of umbrella activities.