INTRODUCTION TO COMPUTERS
DEFINITION AND CLASSIFICATION OF COMPUTERS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The computer runs tests to see if everything works
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The computer checks for new hardware
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The computer opens your email
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The computer starts your operating system
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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: -The correct answer is Operating system. An operating system or OS is software installed on a computer’s hard drive that enables the computer hardware to communicate and operate with the computer software.
Detailed explanation-3: -BIOS. (basic input/output system) It is a program a personal computer’s microprocessor uses to get the computer system started after you turn it on. It also manages data flow between the computer’s operating system and attached devices such as the hard disk, video adapter, keyboard, mouse, and printer .