COMPUTER SCIENCE

                                                                       UNIT-1 Q1. What is the need for Object-Oriented Programming (OOP)? Q2. Explain the differences between the procedural and object-oriented approach. Q3. What are the main characteristics of OOP? Q4.Define the following terms with examples: a) Object b) Class c) Inheritance d) Polymorphism Q5. What is reusability in OOP? Give an example. Q6. What are the advantages of OOP over structured programming? Q7. What is the relationship between C and C++? Q8.What are preprocessor directives? Give examples. Q9. Explain the use of cout and cin with syntax and examples. Q10. What is the purpose of the setw manipulator?                           ...

 Q1. Who is called the Father of Computers?    Ans  Charles Babbage. Q2. What is processor speed measured in? Ans  Hertz (Hz), usually in GHz. Q3. What are registers? Ans Small high-speed memory locations inside the CPU. Q4. What is the full form of ALU? Ans Arithmetic Logic Unit. Q5. What is EPROM? Ans Erasable Programmable Read Only Memory. Q6. What does CD-R stand for? Ans Compact Disc – Recordable. Q7. What does DVD stand for? Ans Digital Versatile Disc. Q8. What is OCR? Ans Optical Character Recognition – reads printed text. Q9. What is OMR? Ans Optical Mark Recognition – reads marks on answer sheets or forms. Q10. What is MICR? Ans Magnetic Ink Character Recognition – used in bank cheques. Q11. What is a joystick? Ans  A pointing device used for gaming and simulation. Q12. What is a digitizer? Ans Converts drawings into digital data. Q13. What is a CRT monitor? Ans Cathode Ray Tube monitor – uses electron beams to display images. Q14. What is an LCD m...

                                                                                                                                                                     UNIT-1   Q1 . Explain the block diagram of a computer system and describe the functions of each component in detail. Q2.   Describe the different generations of computers and discuss the major technological developments in each generation. Q3. Compare the different types of computers – micro, mini, mainframe, and supercomput...