Page 559 - SUBSEC October 2017_Neat

UNIT 2
MODULE 2: A C THEORY AND ELECTRONICS (cont’d)

SPECIFIC OBJECTIVES EXPLANATORY NOTES SUGGESTED PRACTICAL
ACTIVITIES

Logic Gates (cont’d)

Students should be able to:

5.11. explain the operation of a Use of the S-R flip-flop as a
flip-flop consisting of two latch or memory.
NAND gates or two NOR
gates;

5.12. describe the operation of the
triggered bistable;

5.13. combine triggered bistables
(T flip-flops) to make a 3-
bitbinary counter; and,

5.14. discuss the application of Automobile applications
digital systems in the home can also be used as
and in industry. examples.

Suggested Teaching and Learning Activities

To facilitate students’ attainment of the objectives of this Module, teachers are advised to engage
students in teaching and learning activities listed below.

1. Allow students to measure the I-V characteristics of different p-n junction diodes.

2. Ask students to construct and test half-wave and full-wave rectification circuits.

3. Have students investigate the smoothing effect of a capacitor on a rectified ac wave.

4. Ask students to measure the response of LDRs, thermistors and microphones to different
inputs.

5. Ask students to conduct an investigation on the response of LEDs, buzzers and relays to input
signals.

6. Allow students to construct and test comparator circuits using operational amplifiers.

CXC A16/U2/17 59