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🔢 Chapter: Number System & Binary Arithmetic – Exact Questions¶

Q2(a) Explain different number systems with examples.
Q2(b) Convert (125.3125)₁₀ to binary.
Q2(b) Convert (1011.101)₂ to decimal.
Q2(b) Convert (542)₈ to decimal.
Q2(b) Convert (95)₁₀ to hexadecimal.
Q2(b) Convert (1357)₈ to hexadecimal.
Q2(c) Add (11010)₂ and (1101)₂.
Q2(c) Add (2735)₄ and (5432)₄.
Q2(c) Add (7658B)₁₆ and (BAC54)₁₆.
Q2(c) Subtract (1011)₂ from (110110)₂.
Q2(c) Find 1's and 2's complement of (11010101)₂.
171T Q3(a) Distinguish between positional and non-positional number systems. Why is binary important in digital systems?
171T Q3(b) Convert (105.125)₁₀ to binary.
171T Q3(b) Convert (6342)₈ to decimal.
171T Q3(b) Convert (951)₁₀ to BCD.
171T Q3(b) Convert (1254)₈ to hexadecimal.
171T Q3(c) Add (11110)₂ and (11011)₂.
171T Q3(c) Add (17616)₈ and (54371)₈.
171T Q3(c) Add (5C5B8)₁₆ and (ABC5D)₁₆.
171T Q3(c) Subtract (1011)₂ from (110110)₂.
171T Q3(c) Find 1's and 2's complement of (10101011)₂.
181T Q3(a) Compare binary and decimal number systems.
181T Q3(b) Convert (205.125)₁₀ to binary.
181T Q3(b) Convert (1001.101)₂ to decimal.
181T Q3(b) Convert (4762)₈ to decimal.
181T Q3(b) Convert (691)₁₀ to BCD.
181T Q3(b) Convert (2354)₈ to hexadecimal.
181T Q3(c) Add (10111)₂ and (11010)₂.
181T Q3(c) Add (77216)₈ and (2357)₈.
181T Q3(c) Add (2D7A2)₁₆ and (4AC51)₁₆.
181T Q3(c) Add (53214)₈, (12331)₈, and (12471)₈.
181T Q3(c) Find 1's and 2's complement of (11001001)₂.
201T Q3(a) Convert 642₈ to decimal, binary and hexadecimal.
201T Q3(b) Multiply (1011)₂ by (101)₂.
201T Q3(b) Divide (1010)₂ by (10)₂.
201T Q3(b) Add (8512)₈ and (1761)₈.
201T Q3(b) Find 1's and 2's complement of (10010101)₂.
201T Q3(c) Write ASCII-8 binary code for the word 'SKY'. How many bits are required?
📌 Convert (101011.01)₂ to decimal.
📌 Convert (3F)₁₆ to binary and then to decimal.
📌 Represent 89₁₀ in BCD and in 8-bit 2’s complement form.
📌 Explain difference between ASCII and EBCDIC with examples.
📌 Show subtraction using 2's complement: (10011)₂ – (1100)₂.
📌 Perform binary division: (11000)₂ ÷ (101)₂.

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🔄 Chapter: Algorithms & Flowcharts – Exact Questions¶

201T Q6(b) Define a flowchart. Explain the basic symbols used in flowcharts.
📌 What is an algorithm? List characteristics of a good algorithm.
📌 Write an algorithm to find the sum of two numbers.
📌 Draw a flowchart to find the largest among three numbers.
📌 Draw a flowchart to determine whether a number is even or odd.
📌 Write an algorithm and draw a flowchart to calculate factorial of a number.
📌 Explain the advantages and disadvantages of using flowcharts.

⌨️ Chapter: Input / Output Devices – Exact Questions¶

Q3(a) What are Input and Output Devices? Give examples.
Q3(b) What is a pointing device? Explain with example and advantages.
Q3(c) What is an optical scanner? What are its different types?
Q3(d) Differentiate between LCD and LED displays.
171T Q2(c) Distinguish between input and output devices.
181T Q2(a) Why are input/output devices important in a computer system?
181T Q2(c) Write short notes on: OMR, MICR, Plotter.
141T Q2(a) Define input and output devices with examples.
141T Q2(c) What is a flat panel display? Explain briefly.
201T Q6(a) Describe the working principle of an ink-jet printer.
201T Q6(b) Differentiate between LCD and LED monitor.
141T Q3(a) What is the function of the power supply unit in a PC?
141T Q3(c) What hardware components are needed for multimedia applications?
📌 Explain how OCR and barcode readers work with examples.
📌 What is a digitizer? Mention its uses.
📌 Describe the working of laser printer with a neat diagram.

💾 Chapter: Storage Devices & Memory – Exact Questions¶

Q4(a) Describe how data is stored on a CD.
Q4(b) What are tracks and sectors on a disk?
Q4(c) Differentiate between impact and non-impact printers.
Q4(d) Write a short note on MICR.
Q5(a) What is memory? Describe different types with a hierarchy diagram.
Q5(b) Define primary memory. What are its advantages?
Q5(c) Define cache memory and EEPROM.
Q5(d) Distinguish between volatile and non-volatile memory.
171T Q5(a) What is memory? Describe primary storage units.
181T Q5(a) What is memory? Discuss types of primary memory.
181T Q5(b) Differentiate volatile and non-volatile memory.
181T Q5(c) Compare cache and primary memory.
181T Q5(d) Explain how system performance is measured.
201T Q4(a) Write short notes on PROM, EPROM, EEPROM.
201T Q4(b) Define cache memory. How is memory capacity measured?
201T Q4(c) How are data read/written on optical disks?
201T Q5(c) How does cache memory improve performance?
201T Q5(d) How is performance of a computer system measured?
141T Q2(b) Describe the components of an HDD platter.
📌 Compare RAM, ROM, Cache, and Registers with examples.
📌 What are magnetic storage devices? Give 2 examples and explain working.
📌 Explain CD-R, CD-RW and DVD technologies with differences.
📌 What is flash memory? Mention its uses.
📌 Explain the function of virtual memory in memory management.

💻 Chapter: Computer Languages & Software – Exact Questions¶

Q6(a) What is a computer language? Differentiate between low and high level languages.
Q6(b) What is software? Why is it essential for a computer system?
Q6(c) Distinguish between compiler and interpreter. Also, between multiprogramming and multiprocessing.
Q6(d) What is a device driver? What is the role of an operating system?
171T Q4(a) Classify programming languages into low, mid, and high-level with examples.
171T Q4(b) Write steps to develop software. What is firmware?
181T Q4(a) What is a computer language?
181T Q4(b) What is Plug and Play? Explain briefly.
181T Q4(c) Distinguish between machine language and high-level language.
181T Q4(d) What is an operating system? Why is it important?
141T Q4(a) What is firmware?
141T Q4(b) Describe the relationship between hardware and software.
141T Q4(c) Classify software with examples.
201T Q4(d) What is a real-time operating system? Mention its scheduling types.
201T Q6(d) Write the major steps in developing software.
141T Q6(a) Compare DOS and Windows.
141T Q6(b) Suggest an office application package that includes Word, DB, PPT, Excel.
141T Q6(c) Define database and DBMS.
📌 What is middleware? Give two examples.
📌 Explain the difference between application software and utility software with examples.
📌 Describe open source vs proprietary software.
📌 Give two examples each of system software and application software.

🖥️ Chapter: Operating System – Exact Questions¶

Q6(d) What is an operating system?
171T Q4(c) Define operating system. Why is it important?
181T Q4(d) Define operating system. Mention its importance.
201T Q4(d) What is a real-time operating system? Name and explain two types of scheduling.
201T Q5(a) Distinguish between preemptive and non-preemptive scheduling.
201T Q5(b) What is virtual memory? Write its advantages and disadvantages.
201T Q6(a) Draw and explain process state diagram.
📌 What are the different types of operating systems based on user and task?
📌 Compare batch, time-sharing, and real-time operating systems.
📌 What is multiprogramming? How is it different from multitasking?
📌 Define kernel and its role in an OS.
📌 What is device management in OS? Give an example.

🌐 Chapter: Data Communication & Networks – Exact Questions¶

Q7(a) What is a computer network? What are its goals?
Q7(b) What is e-mail? What is its role in communication?
Q7(c) Explain different types of network topologies.
Q7(d) Write short notes on: browser, internet, LAN.
171T Q7(a) Classify computer networks based on geographical range.
181T Q7(a) What is HTTP? What is a web browser?
181T Q7(b) Define upload and download.
181T Q7(c) What are transmission media? Explain their types.
141T Q7(a) What is a search engine? How do you search information using it?
141T Q7(b) Describe the role of e-commerce.
141T Q7(c) Write short notes on: Virus, Hacking, Router.
201T Q7(a) What are the basic elements of communication? Mention transmission modes.
201T Q7(b) Write short notes on: FTP, Telnet, E-mail.
201T Q7(c) Write notes on any two: Bandwidth, Modulation, Asynchronous, Switching.
201T Q7(d) How do you connect your computer to another computer over the internet?
📌 What is the difference between LAN, MAN, and WAN?
📌 What is distributed data processing? Where is it used?
📌 Explain synchronous vs asynchronous transmission with examples.
📌 What are communication protocols? Name any four.
📌 Explain TCP/IP model and its layers briefly.