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PA computer
computer
| Question | Answer |
|---|---|
| V= | IR P/I sqr(PR) |
| I= | V/R P/V sqr(P/R) |
| P= | VI IIR VV/R |
| R= | V/I P/II VV/P |
| Rt parallel formula | 1/(1/R1+1/R1...) |
| Rt series formula | R1+R2... |
| Current Flows From | positive to negative |
| Open/Closed Loop | open loop is when wires are not connected |
| Positive terminal has | protons |
| Negative terminal has | electrons |
| Measuring Resistance requires | An open loop |
| Multisim Needs what to work | A ground symbol |
| Notations such as Va and Vb measured | in respect with ground |
| Voltage is measured with what device | with voltmeter |
| Current is measured with what device | with ammeter |
| Voltage and Current is measured with what device | with multimeter |
| To measure current | the current must pass through the meter |
| Before hooking up meters | turn off circuit |
| DIP switches | have multiple switches inside |
| rotary switches | have multiple output paths |
| Fuse have what ratings | current, voltage, response time |
| R measured in | ohm |
| Current measured in | amps |
| P is measured in | watts |
| tera | T 10 pow(12) |
| giga | G 10 pow(9) |
| mega | M 10 pow(6) |
| kilo | k 10 pow(3) |
| milli | 10 pow(-3) m |
| micro | 10 pow(-6) u |
| nano | 10 pow(-9) n |
| pico | 10 pow(-12) p |
| Effect of adding resistors | Less current/amps |
| Voltage defined | potential difference of two points |
| Current defined | movement of charge |
| Resistance defined | opposition to current |
| Kirchhoff's Voltage Law (KVL) | All voltage points must add to total voltage |
| Parallel circuit is | when the positive leads are touching and the negative leads are touching |
| Series circuit is | when positive leads touch negative leads |
| Kirchhoff's Current Law (KCL) | The current entering is equal to current leaving |
| Current Paths in Parallel called | branches |
| current at branch is measured | Vs/Rn Voltage at source divided by resistance |
| Rt formula when all resistors are same | (R1+R2...)/Rn add resistors and divide by number of resistors |
| ALU is capable of performing | addition, subtract, increment, decrement, negate, or, and, complement, shift left, shift right |
| Instruction execution order | Fetch, Decode, Execute |
| Register D is concatenated of | A and B |
| Register Loading is control of | the control unit |
| Registers A and B are | 8 bit accumulators |
| 68HC12 CPU uses | big-endian order |
| 68HC12 has | five 16 bit registers and three 8 bit registers |
| When executing instructions address does PC register contain | Address of next instruction |
| What microprocessor bus is used to output information | Address Bus |
| Open resistors have value of | infinity |
Created by:
stic
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