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Csefund repeated questions analysis

🔁 Repetition Frequency Analysis (based on your topics):

Topic Repetition Frequency Common Pattern
Number System & Conversion ✅ Very Frequent Every year or term — includes conversions, complement representation
Binary Arithmetic ✅ Very Frequent Binary add/subtract, 1’s & 2’s complement
Computer System & Classification ⚠️ Frequent Usually theory/short questions
Input/Output Devices ⚠️ Frequent Name + explain any 3–4 I/O devices
Storage Devices ✅ Frequent Compare Primary vs Secondary, list types
Processor ⚠️ Moderate Structure or instruction set Qs appear
Algorithms & Flowcharts ✅ Very Frequent Always comes with drawing a flowchart
Computer Languages ✅ Frequent Differences between languages (MCQ or short Q)
Software Types ⚠️ Moderate May be combined with OS questions
Operating System Types ✅ Very Frequent Differences between types always repeated
Data Communication & Networks ✅ Frequent Often asks for types of networks or protocols
Internet & WWW ⚠️ Moderate Usually at least 1 short note or definition Q

🧠 My Observation:

  • At least 60–70% of the questions repeat each term or year.
  • Focus is mostly on conversion, binary math, OS types, flowcharts, and number systems.
  • Questions are rotated slightly in structure (e.g., “Explain 1’s complement” vs “Find result using 1’s complement”).

📘 Full Repeated Question Bank – CSE1127: Computer Fundamentals

🔹 1. Introduction to Computer System

  • What are the characteristics of a computer?
  • Explain different generations of computers with features.
  • Classify computers based on size, function, and purpose.
  • Draw and explain the architecture of a computer system.
  • What is a computer system? List its basic components.

🔹 2. Number System

  • Define Decimal, Binary, Octal, and Hexadecimal systems.
  • Convert (1101.101)₂ to Decimal.
  • Convert 156₁₀ to Binary.
  • Convert (7C)₁₆ to Binary.
  • Convert (345)₈ to Decimal.
  • Convert (10011011)₂ to Hexadecimal.
  • Explain the step-by-step method of converting from one number system to another.

🔹 3. Binary Arithmetic

  • Perform binary addition: (1011 + 1101)₂
  • Perform binary subtraction using 1's complement.
  • Perform binary subtraction using 2's complement.
  • Multiply two binary numbers: (101 × 11)₂
  • Divide (1100 ÷ 10)₂
  • Explain the difference between 1's and 2's complement.
  • What is r’s complement? How is it used in binary subtraction?
  • Represent –18 in 1's complement form using 8 bits.
  • Explain BCD, ASCII, and EBCDIC character representation.

🔹 4. Input Output Devices

  • List any 5 input devices and explain their functions.
  • Classify input devices as offline and online.
  • What is a digitizer? Where is it used?
  • Define and explain OCR, OMR, MICR, and bar code readers.
  • Explain speech recognition and voice response systems.
  • List any 5 output devices and describe their roles.
  • What is a screen image projector? How does it function?

🔹 5. Storage Devices

  • Differentiate between primary and secondary memory.
  • What are the types of RAM and their uses?
  • Differentiate RAM vs ROM with examples.
  • What is Cache memory? Why is it important?
  • Explain how data is stored in magnetic tapes and disks.
  • Compare Magnetic Disk and Optical Disk.
  • Differentiate between CD, DVD, and Blu-ray.
  • What is the role of a floppy disk? Is it still used?

🔹 6. Processor

  • What is a processor? Explain its structure.
  • Different types of processors with examples.
  • Define processor speed. What are its units?
  • What is the concept of an instruction set?
  • Explain the role of ALU and CU in the CPU.
  • What factors affect processor performance?

🔹 7. Algorithms and Flowcharts

  • What is an algorithm? Mention its characteristics.
  • Write an algorithm to find the sum of two numbers.
  • Draw a flowchart to check whether a number is even or odd.
  • Draw a flowchart to find the largest among three numbers.
  • List different symbols used in flowcharts.
  • What are the advantages and disadvantages of using flowcharts?

🔹 8. Computer Language

  • Classify programming languages: Machine, Assembly, High-level.
  • What are the differences between machine language and high-level language?
  • Why is assembly language considered low-level?
  • What are the benefits of using high-level languages?

🔹 9. Software

  • What is software? What are its types?
  • Differentiate between system software and application software.
  • Define firmware and middleware with examples.
  • Explain the relationship between hardware and software.
  • What are the steps to develop or acquire software?

🔹 10. Operating System

  • Define Operating System. Mention its types.
  • Differentiate between single-user and multi-user OS.
  • What is the difference between multitasking and multiprocessing?
  • Explain time-sharing and real-time operating systems.
  • Write features of multi-programming operating systems.
  • Compare batch OS vs real-time OS.

🔹 11. Data Communication & Computer Networks

  • What is data communication? Describe its basic elements.
  • List and explain types of computer networks (LAN, MAN, WAN).
  • Differentiate between circuit switching and packet switching.
  • What are data transmission modes: simplex, half-duplex, full-duplex?
  • What are networking protocols? Mention any 2.
  • Define and explain distributed data processing.
  • What are the tools used for internetworking?

🔹 12. Internet

  • What is the Internet? How did it evolve?
  • What are the basic services offered by the Internet?
  • Explain WWW, HTTP, and URL.
  • List popular web browsers and their functions.
  • What are the uses of the Internet in education and business?

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