COMPUTER FUNDAMENTALS

COMPUTER SOFTWARE

TYPES OF SOFTWARE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following are functions of an operating system?
A
Translating program code into binary
B
Determining the registers available in a CPU
C
Managing memory
D
Managing peripherals
E
Providing user accounts
Explanation: 

Detailed explanation-1: -The correct answer is System Resource Management. An operating system is a program that controls the execution of application programs and acts as an interface between the user of a computer and the computer hardware.

Detailed explanation-2: -The two basic function of a user interface of an application is to take the inputs from the user and to provide the output to the users. However, the types of inputs taken by the UI and the types of output provided by the UI may vary from one application to another.

Detailed explanation-3: -An operating system has three main functions: (1) manage the computer’s resources, such as the central processing unit, memory, disk drives, and printers, (2) establish a user interface, and (3) execute and provide services for applications software.

Detailed explanation-4: -The OS ensures that all access to system resources is controlled. The OS ensures that external I/O devices are protected from invalid access attempts. The OS provides authentication features for each user by means of passwords.

Detailed explanation-5: -Memory Management. It is the management of the main or primary memory. Processor Management/Scheduling. Every software that runs on a computer, whether in the background or in the frontend, is a process. Device Management. File Management. Storage Management.

There is 1 question to complete.