Circuits
A 12 V source is connected across a 6 Ω resistor. How much power does the resistor dissipate?
24 W (P = V²/R)
What is the largest decimal number representable by an unsigned 8-bit integer?
255
What CPU register typically holds the address of the next instruction to be executed?
Program Counter (PC)
A periodic signal repeats every 2 milliseconds. What is its frequency in hertz?
500 Hz
What Greek letter identifies Case Western Reserve University's chapter of IEEE-HKN?
Greek Letter Zeta (Ζ)
Three 6 Ω resistors are connected in parallel. What is their equivalent resistance?
2 Ω | Req = (1/6 + 1/6 + 1/6)-1
What is the bitwise XOR of the binary numbers 1010 and 1100?
0110
When a CPU requests data and finds it already stored in cache, what is this called?
Cache hit
A PWM signal stays HIGH for 2 ms during each 5 ms period. What is its duty cycle?
40%
In what year did HKN officially merge with IEEE?
2010
At a circuit junction, 2 A and 3 A enter while 1 A leaves. How much additional current must leave the junction?
4 A
A 3-bit binary up-counter starts at 101. What will its output be after four clock cycles?
001
hat does RISC stand for in RISC-V?
Reduced Instruction Set Computer
What type of electronic filter allows low-frequency signals through while attenuating high-frequency signals?
Low-pass filter
In what year was CWRU's Zeta Chapter originally chartered?
1910
After an ideal capacitor has been connected to a DC voltage source for a long time, how does it behave electrically?
Open circuit
What type of state machine design produces outputs based on both current inputs and previously stored state?
Mealy Machine
What key capability of an FPGA allows its digital hardware functionality to be changed after manufacturing, unlike a conventional ASIC?
Reconfigurability / programmable logic
UART communication does not use a shared clock signal. What transmission-rate setting must the transmitter and receiver agree on?
Baud Rate
HKN's emblem features which electrical circuit, commonly used to measure unknown resistance?
Wheatstone bridge
A 12 V battery drives two resistors, 2 Ω and 4 Ω, connected in series. How much power is dissipated by the 4 Ω resistor?
16 W (I = 2 A, P = I²R)
In 8-bit two's complement, what signed decimal value is represented by 11111101?
−3
In a pipelined processor, what type of hazard occurs when a branch instruction changes which instruction should execute next?
Control hazard (branch hazard)
According to the Nyquist sampling theorem, what is the Nyquist rate for a signal containing frequencies up to 4 kHz?
8 kHz
HKN's name originates from a Greek word referring to what material, historically associated with static electricity?
Amber