FUNDAMENTALS OF COMPUTER

APPLICATION SYSTEM SOFTWARE

WHAT IS COMPUTER SOFTWARE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the first thing that happens when a computer is switched on
A
Try and find and load the operating system
B
Instructions perform some basic hardware tests
C
Process of loading the operating system is called booting the computer
D
Computer looks for instructions to follow (on ROM)
Explanation: 

Detailed explanation-1: -The CPU starts and fetches instructions into RAM from the BIOS, which is stored in the ROM. The BIOS starts the monitor and keyboard, and does some basic checks to make sure the computer is working properly. For example, it will look for the RAM. The BIOS then starts the boot sequence.

Detailed explanation-2: -You’ve pressed the power button. Now, using its power supply, the computer begins to deliver power to its individual components – the hardware. This includes the CPU (central processing unit), hard disk drives and solid-state drives, graphics processors, and more.

Detailed explanation-3: -The correct answer is Booting. In computing, booting is the process of starting a computer. Booting is a kind of start-up sequence that turns on the operating system of a computer when the system is turned on.

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