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<=CDACC ICT Technician Level 6: Apply Basic Electronics past paper November 2023
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#
• 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#
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Questions List:
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
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
