2015 - System Engineering Quiz
  • 1. The logic gate that will have “1” at its output when any one of its inputs is a 1 is called a(n):
A) NOR gate
B) AND gate
C) OR gate
D) NOT gate
  • 2. How many truth table entries are required for a 3-input NAND gate?
A) 3
B) 6
C) 27
D) 9
  • 3. How many flip flops are contained in a 7474 IC?
A) 2
B) 3
C) 1
D) 4
  • 4. The basic logic gate whose output is the inverse or complement of its input is called a(n):
A) AND gate
B) NAND gate
C) XOR gate
D) NOT gate
  • 5. A resistor with colour code "Red Red Orange Gold" has a value of:
A) 22MΩ
B) 220kΩ
C) 2200Ω
D) 22kΩ
  • 6. A resistor with colour code " Yellow Red Red Gold" has a value of:
A) 420Ω
B) 240kΩ
C) 4.2kΩ
D) 430Ω
  • 7. The 3 pins of a bipolar transistor are called the:
A) Source, Drain and Gate
B) Collection, Bass, Gate
C) Collector, Emitter and Base
D) Plate, Electrode and Collector
series
  • 8. The total resistance of the following resistor combination is:
A) 920Ω
B) 680Ω
C) 1360Ω
D) 340Ω
para
  • 9. The total resistance of the following resistor combination is:
A) 225Ω
B) 450Ω
C) 9000Ω
D) 900Ω
divider
  • 10. The voltage Vout of the voltage divider circuit is:
A) 6 volts
B) 9 volts
C) 4.5 volts
D) 3 volts
divider
  • 11. The total current flowing through this circuit is:
A) 100mA
B) 0.01 A
C) 1mA
D) 1 A
cap
  • 12. The total capacitance of the following capacitor combination is:
A) 50µF
B) 200µF
C) 1000µF
D) 100µF
cap
  • 13. The total capacitance of the following capacitor combination is:
A) 1000µF
B) 200µF
C) 50µF
D) 100µF
cap
  • 14. The total capacitance of the following capacitor combination is:
A) 50µF
B) 150µF
C) 250µF
D) 100µF
  • 15. An Infra-Red transmitter usually transmits at a frequency of:
A) 40kHz
B) 38kHz
C) 28kHz
D) 5kHz
constant
  • 16. The following charging capacitor circuit has a Time Constant of:
A) 5 seconds
B) 2 seconds
C) 10 seconds
D) 3 seconds
constant
  • 17. The capacitor in the circuit is fully charged after:
A) 50 seconds
B) 40 seconds
C) 10 seconds
D) 20 seconds
  • 18. A 555 IC can be operated in:
A) All three modes
B) Astable Mode
C) Bistable Mode
D) Monostable Mode
  • 19. If you decrease the AREA of the plates of a capacitor, you:
A) Short circuit the capacitor
B) Decrease the capacitance
C) Increase the capacitance
D) Increase the energy storage of the capacitor
  • 20. A 7805 Voltage regulator can provide a constant output voltage of:
A) 78 volts
B) 5 volts
C) 12 volts
D) 17 volts
Azok a diákok, akik elvégezték ezt a tesztet, szintén elvégezték :

Létrehozva That Quiz — a matematika teszt generáló webhely más tantárgyi forrásokkal.