Bsc Csit Nepal

2078

Introduction to Information Technology

Full Marks: 60
Pass Marks: 24
Time: 3 hours

Long Questions:

Attempt any two questions: (2 × 10=20)

  1. Differentiate analog computer with digital computer. What is CPU and how it works? What does an instruction cycle in CPU consist of? (3+4+3)
  2. What is computer network? Discuss different types of data tranmission media in computer network with their advanyages and disadvantages. (2+8)
  3. What is database management system? Why database management systems are used. Discuss the database system architecture. (3+2+5)

Short Questions

Attempt any eight questions: (8 × 5=40)

  1. What is cache memory? How is it different from register? (3+2)
  2. Discuss about the source data entry device with example. (5)
  3. How binary addition is done? Show binary addition of (11001) with (11011). (5)
  4. What is software? How is it differs from hardware? Why is software needed? (2+2+1)
  5. Describe the functionalities of operating system. (5)
  6. What is internet? Describe about the internet architecture. (1+4)
  7. Define multimedia. Discuss the applications of multimedia. (2+3)
  8. Differentiate security attack fro security threat. How virus affects computer? (3+2)
  9. Write short notes in : (2.5+2.5)