11th Computer science - Book Back Answers - Chapter 3 - English Medium Guides

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Tamil Nadu Board 11th Standard Computer science - Chapter 3: Book Back Answers and Solutions

    This post covers the book back answers and solutions for Chapter 3 – Computer science from the Tamil Nadu State Board 11th Standard Computer science textbook. These detailed answers have been carefully prepared by our expert teachers at KalviTips.com.

    We have explained each answer in a simple, easy-to-understand format, highlighting important points step by step under the relevant subtopics. Students are advised to read and memorize these subtopics thoroughly. Once you understand the main concepts, you’ll be able to connect other related points with real-life examples and confidently present them in your tests and exams.

    By going through this material, you’ll gain a strong understanding of Computer science Chapter 3 along with the corresponding book back questions and answers (PDF format).

Question Types Covered:

• 1 Mark Questions: Choose the correct answer, Fill in the blanks, Identify the correct statement, Match the following 
• 2 Mark Questions: Answer briefly 
• 3, 4, and 5 Mark Questions: Answer in detail

All answers are presented in a clear and student-friendly manner, focusing on key points to help you score full marks.

All the best, Class 11 students! Prepare well and aim for top scores. Thank you!

Chapter 3 : Computer Organisation

I. Choose the correct answer

1. Which of the following is said to be the brain of a computer?
(a) Input devices
(b) Output devices
(c) Memory device
(d) Microprocessor
Answer Key:
(d) Microprocessor

2.Which of the following is not the part of a microprocessor unit?
(a) ALU
(b) Control unit
(c) Cache memory
(d) register
Answer Key:
(c) Cache memory

3. How many bits constitute a word?
(a) 8
(b) 16
(c) 32
(d) determined by the processor used.
Answer Key:
(d) determined by the processor used.

4. Which of the following device identifies the location when address is placed in the memory address register?
(a) Locator
(b) encoder
(c) decoder
(d) multiplexer
Answer Key:
(c) decoder

5. Which of the following is a CISC processor?
(a) Intel P6
(b) AMD K6
(c) Pentium III
(d) Pentium IV
Answer Key:
(c) Pentium III

6. Which is the fastest memory?
(a) Hard disk
(b) Main memory
(c) Cache memory
(d) Blue-Ray disc
Answer Key:
(c) Pentium III

7. How many memory locations are identified by a processor with 8 bits address bus at a time?
(a) 28
(b) 1024
(c) 256
(d) 8000
Answer Key:
c) 256

8. What is the capacity of 12cm diameter DVD with single sided and single layer?
(a) 4.7 GB
(b) 5.5 GB
(c) 7.8GB
(d) 2.2 GB
Answer Key:
(a) 4.7 GB

9. What is the smallest size of data represented in a CD?
(a) blocks
(b) sectors
(c) pits
(d) tracks
Answer Key:
(c) pits

10.Display devices are connected to the computer through.
(a) USB port
(b) Ps/2 port
(c) SCSI port
(d) VGA connector
Answer Key:
(d) VGA connector

II. Very Short Answers

11th computer science

III. Short Answers

11th computer science

IV. Explain in detail

11th Computer science