COMPUTER FUNDAMENTALS

INTRODUCTION TO COMPUTERS

COMPUTER SYSTEMS AND COMPONENTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What does the operating system do?
A
Manages the computer resources (CPU, Memory, Drives, Printers etc.)
B
User interface
C
Execute and provide services for application software
D
all of these
Explanation: 

Detailed explanation-1: -The operating system (OS) manages all of the software and hardware on the computer. It performs basic tasks such as file, memory and process management, handling input and output, and controlling peripheral devices such as disk drives and printers.

Detailed explanation-2: -Explanation: An Operating System acts as an intermediary between user/user applications/application programs and hardware. It is a program that manages hardware resources. It provides services to application programs.

Detailed explanation-3: -Security. Control over System Performance. Job Accounting. Error Detecting Aids. Coordination between Users and Other Software. Memory Management. Process Management. Device Management.

Detailed explanation-4: -Memory Management. Process Management/CPU Scheduling. Device Management. File Management. Security. Accounting. Error detection etc.

There is 1 question to complete.