Questions

Pyrenees, a chief mountain in Europe, forms a part of the great mountain across Europe and Asia.

A rift valley is formed either due to upheaval of blocks on either sides of a fracture or due to subsidence of block between them.

We know that, the collection of programs which performs specific tasks in a computer is called as software. Software in a computer is of two types. They are :

1. Aplication Software

2. System Software

System software is a computer program that performs the basic functionaility of a computer i.e, running a systems hardware and applications like loading programs, saving data, displaying, etc...

Database provides necessary means to achieve this abstraction. By structure of a database we mean the data types, relations, and constraints that should hold on the data.

The physical components of a computer are referred to as Hardware of the computer. 

The hardware components of the computer includes :

• Processor.
• Main memory.
• Secondary memory.
• Input devices.
• Output devices.

Answer A is incorrect because it pertains to the processes. Answer C is incorrect because these are the five phases of a project. Answer D is incorrect because there are 39 processes, not knowledge areas.

Pericles