Logic Gate The SPM Physics Workbook is developed under the OneSchool.net Free Books Project. The content of this book is strictly follow Malaysia SPM (Sijil Pelajaran Malaysia) syllabus. The aim of this project is to provide a complete electronic supplementary network for students to develop selflearning skills by breaking the spoonfeed rituals and to encourage them to compile educational information from the Internet.
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1) A is a logic gate with input X and Y. Z is the output of the logic gate. The truth table of the logic gate is shown in table above. What type of logic gate is A?
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2) Table above shows the truth table of a logic gate. Which of the following is the symbol of the logic gate?
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3) Diagram above shows a logic gate circuit. The input at P and Q are 1001 and 1100 respectively. What is the signal of the Z output? Explanation
The input and output of the logic gate is as follow:
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4) The circuit shown above is a series of logic gate in an electronic appliance. The truth table of the Z output is Explanation
The input and output of the logic gate is as follow:
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5) Diagram (a) above shows a combination of logic gate labeled A, B, C and D. Table (a) shows the truth table of the logic gate.. Which of the following statements below are true? I. A is an OR gate.


