Q.1. Define computer?
Ans: The electronic device which solves different problems according to the set of instructions given to it is called computer. A computer can accept data, process data into useful information and store it for later use.
Q.2. Define computer literacy?
Ans: The term computer literacy refers to the knowledge and understanding of computer and its uses. A person is computer literate if he understands computer and its applications.
Q.3. Define software?
Ans: A set of instructions given to computer to solve a problem is called software. Computer software specifies a sequence of operations to be performed by computer. A computer works according to the instructions written in software.
Q.4. Define hardware?
Ans: The physical parts of a computer are called hardware. Hardware can be touched or seen by us.
Q.5. Give some examples of hardware components.
Ans: Some examples of hardware components are keyboard, mouse, CPU, printers, monitor and drives etc.
Q.6. How is hardware different from software?
Ans: Hardware are physical parts of the computer but software is a set of instructions given to the computer to solve a problem. Hardware can be touched but software cannot be touched. Hardware is repaired in case of problem but software is debugged in case of problem.
Q.7. Give reason why hardware is useless without software?
Ans: Hardware is useless without software because the hardware cannot perform any task without software. Software contains the instructions to be executed by the hardware.
Q.8. Describe the relationship of software and hardware?
Ans: The hardware cannot perform any task without software. Software cannot be executed without hardware. Computer becomes useful when hardware and software are combined.
Q.9. Define the term information technology (IT)?
Ans: Information technology is the technology that uses computing with high-speed communication links to spread information from one place to another. The interconnection of computers enables people to send and receive information. The world has become a global village due to information technology.
Q.10. Write some applications of information technology?
Ans: The applications of information technology include artificial intelligence, e-commerce, m- commerce, computer animation and multimedia etc.
Q.11. Define the term digital convergence.
Ans: Digital convergence is the electronic merging of various industries to exchange information between them. These industries are computers, electronics, telecommunications and mass media etc. This merging is very important in the modern world.
Q.12. Define information technology. How is IT related to computers?
Ans: Information technology is a technique used in the creation, storage, and dispersal of data, information and creation of knowledge. Computer is an important component of information technology. It makes possible to use information technology for solving problems.
Q.13. What are the three primary components of information technology?
Ans: Three components of information technology are as follows:
Computers: Electronic systems that can be instructed to accept, process, store, and present data and information.
Communications Networks: Different places/locations are connected by an interconnection through a medium which enables individuals to send and receive information.
Know-how: Know-how is the capability to do something properly. Information technology know-how consists of the following:
Q.14. What role do communications networks play in an information society?
Ans: Communication networks allow people and businesses to interact. It includes hardware, programs, and information. Information technology has become revolutionary through the use of communication networks. Information can be transferred from one place to another easily and quickly.
Q.15. What is know-how? What does information technology know-how consist of?
Ans: Know-how is the capability to do something properly. Information technology know-how consists of the following:
- Familiarity with the tools of information technology including the Internet
- Possession of the skills needed to use these tools
- Understanding of using information technology for problem-solving & creating opportunities.