REVIEWER IN ELECTRONICS 10 SY 2023-2024.pptx

REVIWER

1. 1. When you are using a base two, or binary number system, which of the following numerals can be used? 0 and 1 b. 0, 1 and 2 c. 1 and 2 d. 0, 1, 2 and 1

2. How is the binary system useful in computers? a. computer code only reads the numbers 0 and 1 b. Computers were made to read real numbers c. Computers have ten keys d. Electronic components have two states – on or off

3. How do you make a NAND gate out of an AND gate using inverters (NOT gates)? a. Invert the output from the AND gate b. Invert one of the inputs to the AND gate c. Invert both the inputs to the AND gate d. Invert both the inputs and output of the AND gate

4. What type of logic gate does this symbol represent? Exclusive OR b. Exclusive NOR c. OR d. NOR

5. Which of the following logic gate is an inverter? NOT gate b. OR gate c. AND gate d. NAND gate

6. The NOR gate is OR gate followed by ________ a. AND gate b. NAND gate c. NOT gate d. XOR gate

7. The only function of NOT gate is to _________________ a. Stop signal b. Invert input signal c. Act as a universal gate d. Start signal

8. When an input signal 1 is applied to a NOT gate, the output is _______________- b. 1 c. Either 0 & 1 d. None of the choices

9. This gate output true if either of the inputs are true NOR gate b. AND gate c. OR gate d. XOR gate

10. It is an electronic component that is implemented using a Boolean function Binary numbers b. Logic gates c. Diodes d. Multi-vibrators

11. Which of the following is the correct binary number for 75? 1001010 101010 100011 1001011

12. What is the 1101 in decimal? a. 11 b. 32 c. 13 d. 42

13. In a circuit, a reverse-biased diode acts like a(n) ______________. a. insulator b. closed switch c. open switch d. both a and b

14. What is the charge of an anode? a. positive b. negative c. neutral d. a & b

15. Which of the following statements is correct? a. The diode is a superconductor b. The reverse diode in biased has high conductivity. c. A diode in reverse bias has very high resistance. d. When a diode is in forward bias the resistance is very low.

16. It is solid-state device in which the current flow between two terminals the collector and the emitter and is controlled by the amount of current that flows through a third terminal. Diode b. cell c. capacitor d. transistor

17. This region of transistor determines how much current can flow through the collector-emitter circuit. Emitter b. Collector c. base d. gatekeeper

18. The emitter is the negative side of this type of transistor PNP b. NPN C. NNP d. PPN

19. This is used to explain the amount of memory on the motherboard of the computer that will store in the setting of BIOS Logic gates b. Multi-vibrators c. CMOS d. Integrated circuit

20. These are used in a wide variety of applications-from short time delays of a few nanoseconds used in digital circuitry Timing circuit b. Time delay switch c. Memory d. Register

21. Type of counter which contains flip-flop which are all in sync with each other Asynchronous b. Synchronous c. Decade d. Ring

22. This is also known as Binary Coded Decimal. Asynchronous b. Synchronous c. Decade d. Ring

23. This is also known as Serial in serial out Asynchronous b. Synchronous c. Decade d. Ring

24. This timing circuit is used to quickly accept, store and transfer data used immediately by the CPU Register b. Counter c. Memory d. Decade

25. It is used to store data and instruction Register b. Counter c. Memory d. Decade

26. RAM is an example of what kind of memory a. Internal memory b. External memory c. Cache memory d. Serial access memory

27. It is the storage space in computer where data is to be processed and instructions required for processing are stored Register b. Counter c. Memory d. Decade