CDACC ICT Technician Level 6: Apply Basic Electronics past paper November 2023 Answers

Answers for ICT Technician Level 6: Apply Basic Electronics past paper November 2023

Course Name:  ICT Technician
Also Done By:
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Course Level:  Diploma
Sub Level:       Level 6
Course Unit:   Apply Basic Electronics
Exam body:    CDACC
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1. List any FOUR electronic components and their functions ()
2. State TWO types of switches ()
3. Define the following terms as used in electronics i. Electric current ii. Potential difference iii. Series circuit iv. Parallel circuit ()
4. Define the term nanoelectronics and state one way that it has affected the design and manufacturing of electronic devices ()
5. State Ohm’s Law ()
6. If the resistance of an electric iron is 50 Ω and a current of 3.2A flows through the resistance, what is the voltage? ()
7. Draw a labelled, schematic diagram of an electric circuit comprising of a cell, a resistor, an ammeter, a voltmeter, and a closed switch ()
8. Outline any FIVE advantages and FOUR disadvantages of semiconductor over other devices ()
9. Outline any TWO differences between intrinsic and extrinsic semiconductors ()
10. Differentiate between the following as used in computers. (4 Marks) i. Dynamic RAM (DRAM) and static RAM (SRAM) ()
11. With the aid of a diagram, outline the structure of a magnetic disk, showing the track sectors, disk sectors, and tracks ()
12. Discuss any SIX challenges of emerging trends in electronic manufacturing ()
13. Outline FOUR differences between N-type and P-type semiconductors ()
14. Explain the following terms as used in Bipolar transistor configuration. i. Common i. Base Configuration ii. Common Emitter Configuration iii. Common Collector Configuration ()
15. List FOUR types of number systems used in computers together with their base ()
16. Convert the following number systems to their equivalent as indicated in each question • Binary to Decimal i. #1011_2# ii. #10110_2# • Octal to Decimal i.# 542_8# ii)#345_ 8 # Hexadecimal to Decimal i. 3A4 ii.# (1F.01B)_16# Decimal to Hexadecimal: i.# 245_10# Binary fraction to Hexadecimal: i.# (001100101.1100111)_2# ()
17. Differentiate between the following terms as used in computer storage i. Zip disk and Flash disk ii. Primary and secondary storage ()
18. Explain FOUR types of compact disks ()
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