Short Questions = Qu. Define computer. : : Computer is an electronic machine used to solve different problems according 0 set of instructions given to it, A computer ean accept data, process data into useful information and store 1 for later use. Q.2. Define computer literacy. / The term compute literncy refers to the knowledge and understanding of computer and its uses, A person is computer literate if he understands computer and its applications. Q3. Give important characteristics of computers. Computer can process data at a very high speed according to the given instructions. It can store dota and information permanently. It provides results without any errors. It as the capability of | communicating with other computers. Q4. Explain how computers assist us in simplifying our work. Computer is a machine that works according lo the given instructions. It performs a variety of operations on given data and generates use information for the user. The use of computer can simplify our work. Q5. Define software. A set of instructions given to the computer to solve a problem is called software. A computer works according to the instructions written in software. Q.6. Define hardware, Write the names of five hardware devices. The physical parts of a computer are called hardware. The hardware devices include keyboard, mouse, printer, scanner and hard disk. QZ. How is hardware different from software? 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. Q8. Give reason why hardware is useless without software. Hardware is useless without software because the hai a a ‘ardware cannot perform any task wil software. Software contains the instructions to be executed by the hardware. " ee Q9. Describe the relationship of software and hardware, The hardware cannot perform any task without softw. fare, Softwa 5 Q.10. What is data? a Acollection of raw facts and figures i Sh : igures is called data, Data is given t ir 'scollected from different sources. Data may consist of riembets cho nn /peuaaa Qu. What is informatioria Characters, pictures etc, The processed data is called informati formation, Information i i data Ibis more meaningful than data and is used ‘or making dec jong, 8 and Prose form of Q12. Give an example of data and information. on The data of a student may consi : ; or ditfrent subjects The dala of the stone ol Number, Student Name, Father Name and Macks of le students can marks and grade of the student, be processed to produce useful information such as totalQ.13. Differentiate between data and information. Data is a set of raw facts the computer and information Data is not el Al form of data, Data is used as input in ngful than information, King, decisions, formation is the proc {put of the compute Uy used in decision making, but the inforr Q.14. What derives the hardwai The instractions written in a prog Data is less me od form ation is ste; 2 to convert data into information? am derive the hardware to convert data into information, Q.15. What is information processi 1 life cycle? A series of steps used to conve. nto useful information is konwn as information processing, cycle, The steps of information , ,acessing, life eyele are inpul, provess, output and storage, Q.16. Define information technology (IT). Write some applications of IT. Information technology is the technology that uses computing, with high-speed communication links to spread information from one place to another. The interconnes tion of computers enables people to send and receive information, The world hay become a global village due to information technology, The applications of information technology: mclude artificial intelligence, e-xommerce, m-commerce, computer animation and multimedia etc Q.17, Define the term digital convergence. Digital convergence is the electronic merging of various industries to exchange information between them. Those industries are computers, electronics, telecommunications and mass media ete ‘This merging is very important in the modem world. Q:18. What are the three primary components of information technology? Three components of information technology include computers, communi know-how. Computers can be instr The communicatios jon networks and ted to accept, process, store and present data and information. network is the interconnection of «lifferent locations through a medium to send and receive information. Know-how 1s the capability to do something, properly Q19. What role do communications networks play in an information society? 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 anothi wer easily and quickly. Q.20. What is know-how? What does information technology know- Know-how is the capability to do something properly. y consists of three things. The first thing is familiarity with the tools of information tec Inology including, the Internet. The second thing is the possession of the skills needed to use these tools, The third thing is the understanding of using information technology (or problem-solving and creating opportunities. Q.21, Why know-how is a component of information technology? ‘how consist of? Information technology know-how Know-how is a component of information technology be: information technology to solve problems. They: create opportunities for them ‘cause people should know the use of should also know how information technology can Q.22. What are major components of a computer? Briefly describe the function of each component and their relationship. The mayor components ha camputer ar output devices, Inpul devices are used to enier data data and uses memory to temporarily store and information permanently. Output devi npul devtees, CPL, memory, storage devices and and instructions into the computer. CPU processes Programs and data. Storage devices store data, instructions ices are used to display ouput to the user. Q.23. How memory is different from storage? Memory consists of electronic components that store CPU. It stores data and instructions temporarily Storage stores data and instructions permanently. data and instructions to be executed by he contents are erased when the computer turns 0 Ks contents are not erased if the computer turns off