Karnataka SSLC Question Paper 2024 Elements of Electronics Engineering

Karnataka School Examination and Assessment Board

QUESTION
PAPERS
2024

CCE RF/RR (A)/666/043

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Question Paper Serial No.
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Total No. of Printed Pages : 8 ]

Jlflo Æ⁄√ÀÊ-V⁄◊⁄ —⁄MSÊ¿ : 8 ] CCE RF/RR
Total No. of Questions : 8 ] FULL SYLLABUS
—⁄MOÊfi}⁄ —⁄MSÊ¿ : 53
Code No. : 53

TEAR HERE TO OPEN THE QUESTION PAPER
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Subject : ELEMENTS OF ELECTRONICS ENGINEERING-IV
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(Regular Fresh / Regular Repeater)

03. 04. 2024
¶´¤MO⁄ : 03. 04. 2024 ] [ Date : 03. 04. 2024
ÓÜÊÜá¿á : ¸æÙÜWæY 10-15 Äí¨Ü ÊÜá«ÝÂÖÜ° 1-30 ÃÜÊÜÃæWæ ] [ Time : 10-15 A.M. to 1-30 P.M.
V⁄¬Œ⁄r @MO⁄V⁄◊⁄fl : 80 ] [ Max. Marks : 80
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General Instructions to the Candidate :
1. This question paper consists of 8 questions in all.
2. This question paper has been sealed by reverse jacket. You have to cut
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CCE RF/RR (A)/666/043 53

Note : Answer all the questions.

1. Four alternatives are given for each of the following

questions / incomplete statements. Select the most

appropriate alternative and write it in the answer book along

with its alphabet : 10 × 1 = 10

i) The digital system usually operates on

(A) binary system (B) decimal system

(C) octal system (D) hexadecimal system

ii) The number 1001012 is equivalent to octal

(A) 54 (B) 37

(C) 45 (D) 25

iii) The number 178 is equivalent to binary

(A) 111 (B) 1111

(C) 10000 (D) 1110

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CCE RF/RR (A)/666/043 53

iv) An example of an analog IC is

(A) Counter IC (B) Controller IC

(C) Micro-controller IC (D) Op-Amp IC

v) IC 741 is a/an

(A) Op-Amp (B) rectifier

(C) timer (D) regulator

vi) Voltage gain of an Op-Amp is an ideal condition is

(A) 0 (B) 1

(C) 2 (D) ∞

vii) The mathematical notation of NOR gate is

(A) A+B (B) A .B

(C) A+B (D) A.B

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CCE RF/RR (A)/666/043 53

viii) Digital IC is used in

(A) counter (B) memory devices

(C) logic probe (D) all of these

ix) IC 7400 is a/an

(A) AND gate (B) NAND gate

(C) OR gate (D) NOT gate

x) The characteristic of radio receiver depends on

(A) sensitivity (B) selectivity

(C) fidelity (D) all of these

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CCE RF/RR (A)/666/043 53

2. a) Write the base of Hexadecimal and decimal number system.

2

b) Explain Hexadecimal number system. 3

c) Draw the table showing Hexadecimal numbers equivalent to

the decimal numbers 11 - 21. 5

3. a) List any two types of ICs according to scale of integration. 2

b) Describe classification of ICs. 3

c) Draw a neat diagram of Dual-IN-Line package IC. 5

4. a) Draw the symbol of ideal Op-Amp. 2

b) Explain input stage of an Op-Amp. 3

c) Draw the Pin diagram of IC 741 Op-Amp. 5

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5. a) Write the symbol of NOT gate. 2

b) Write the truth table of NOR gate. 3

c) Draw the Pin diagram and logic diagram of NAND gate. 5

6. a) Explain modulated signal. 2

b) Explain pulse analog modulation and write its types. 3

c) Draw a neat diagram of frequency modulation. 5

7. a) Define decimal number system. 2

b) List the applications of ICs. 3

c) Draw a neat circuit diagram of AND gate using diodes. 5

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8. a) Convert (172)10 to octal number. 2

b) Explain the operation of AND gate. 3

c) Draw a neat diagram of amplitude modulation receiver. 5

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