PLTW Digital Electronics - Final Review Set 1, PLTW Digital Electronics - Final Review Set 2, PLTW Digital Electronics - Final Review Set 3, Digital Electronics - PLTW Review Test

PLTW Digital Electronics - Final Review Set 1, PLTW Digital Electronics - Final Review Set 2, PLTW Digital Electronics - Final Review Set 3, Digital Electronics - PLTW Review Test If an integrated circuit has been damaged and you smell smoke, you should__________________. Turn the power off for a few minutes before pulling out the damaged integrated circuit. In scientific notation, which prefixes are used for values smaller than a whole value? Micro, nano, milli What is the value of the resistor with colors blue, grey, red , gold ? 6.8 K Ω ±5 % What are the color bands for a 390 Ω (±10) resistor? ORANGE-WHITE-BROWN-SILVER In a parallel circuit, you measure 1.5 mAmps flowing through a 600 Ω resistor. What is the voltage drop across the resistor? Use Ohms law. 900 m Volts What is the decimal equivalent to the binary number 0101102? 22 power of 10 In the eight-bit binary number shown below, which bit is the Least Significant Bit (LSB)? b7b6 b5 b4 b3 b2 b1 b0 1 0 1 1 0 1 0 1 B 0 (zero) Which of the following is a rule of Boolean algebra? 1. AA • 0 = A 2. AB • 1= 1 3. A • A = A 4. AC • A = 1 A • A = A What is the binary equivalent to the decimal number 1310? 1101 What is the decimal equivalent to the binary number 0101102? 22 base 10 What is the binary equivalent to the hexadecimal number CH 11002 Which of the following equations is the un-simplified Sum-Of-Products equation for the truth table shown below with F as the Output? X Y Z F 0 0 0 0 0 0 1 1 0 1 0 1 0 1 1 0 1 0 0 0 1 0 1 0 1 1 0 1 1 1 1 0 F = X' Y' Z + X' Y Z' + X Y Z' What is the letter symbol for current? I Which of the following is a correct DeMorgan's Identity? 1.. XY" = X'•Y' 2. XY" = X'•Y 3. XY" = X' + Y' 4. XY = X + Y XY" = X' + Y' . Which of the following is the simplified equivalent for the Boolean equation shown? F = Y' +XY' 1. F = X ''Y'' 2. F = X 3. F = X Y' 4. F = Y' F = Y' Which Boolean equation is in Product-Of-Sums form? 1. F = X Y Z + X Y + X Y Z 2. F = X Y Z + Z (X + Y) 3. F = (X + Y)(X+ Z)(Y + Z) 4. F = X Z(Y + Z)(Y + Z) F = (X + Y)(X+ Z)(Y + Z) Which of the following Boolean equation is in Sum-Of-Products form? 1. F = A B' C + A B C + A 2. F = (A')(B')(BC)(ABC) 3. F = (10010)) 4. F = A' (B + C) A (B' + C) F = A B' C + A B C + A What is the minimum number of flip-flops needed to build a Mod-10 Asynchronous counter? 1. 32 2. 64 3. 4 4. 10 4 Which of the following statements applies to asynchronous counters? 1. Asynchronous counters are faster than synchronous counters. 2. Asynchronous counters require more power than synchronous counters. 3. All the flip-flops in an Asynchronous counter are clocked at the same time by a common external clock. 4. Asynchronous counters are also called ripple counters. Asynchronous counters are also called ripple counters. Propagation delay is _________________________. 1. A measure of the ability of a logic gate to drive further logic gates. 2. The difference in chip temperature from when the power is off to when the power is on. 3. The difference between what a logic gate outputs as a valid logic voltage and what the input of the next gates expects to see as a valid logic voltage. 4. The time required for a signal to travel from the input of a logic gate to the output. The time required for a signal to travel from the input of a logic gate to the output. Name the type of gate that is off when it is switched to the on position 1. And 2. Nand 3. Or 4. Inverter Inverter Name three processes for simplifying circuits 1.Boolean Algebra, Boolean Equations, Karnaugh maps 2.Boolean Geometry, Demorgans Theroem, Break the bar change the sign 3.Karnaugh Mapping, Demorgans Theorem, Boolean algebra 4.Simplify terms, karnaugh mapping, looping like terms Karnaugh Mapping, Demorgans Theorem, Boolean algebra What type of gates can be used to replace an AOI circuit to make it smaller? 1. Exclusive OR/NOR 2. OR/AND 3. Inverter/NAND 4. NAND/NOR NAND/NOR How many flip-flops are required to implement a divide-by-4 circuit? 1. 4 2. 3 3. 2 4. 1 2 How are the Q and Q' outputs of a flip flop affected by setting the active low asynchronous RESET input to a logic zero? 1. Q = 1 and Q' = 0 2. Q = 0 and Q' =1 3. invalid 4. No change. Q = 0 and Q' =1 What type of gates can be used to replace an AOI circuit to make it smaller? 1. Exclusive OR/NOR 2. OR/AND 3. Inverter/NAND 4. NAND/NOR NAND/NOR When comparing a PLD circuit to a logic circuit implemented with individual logic gates, the PLD circuit will ____________. 1. be easier to breadboard with fewer chips and wires. 2. require more chips and wiring. 3. require you to simplify the expression using a K-Map. re a higher operating voltage. be easier to breadboard with fewer chips and wires. Name three processes for simplifying circuits 1.Boolean Algebra, Boolean Equations, Karnaugh maps 2.Boolean Geometry, Demorgans Theroem, Break the bar change the sign 3.Karnaugh Mapping, Demorgans Theorem, Boolean algebra 4.Simplify terms, karnaugh mapping, looping like terms Karnaugh Mapping, Demorgans Theorem, Boolean algebra If an integrated circuit has been damaged and you smell smoke, you should__________________. Turn the power off for a few minutes before pulling out the damaged integrated circuit. In scientific notation, which prefixes are used for values smaller than a whole value? Micro, nano, milli What is the value of the resistor with colors blue, grey, red , gold ? 6.8 K Ω ±5 % What are the color bands for a 390 Ω (±10) resistor? ORANGE-WHITE-BROWN-SILVER In a parallel circuit, you measure 1.5 mAmps flowing through a 600 Ω resistor. What is the voltage drop across the resistor? Use Ohms law. 900 m Volts What is the decimal equivalent to the binary number 0101102? 22 power of 10 In the eight-bit binary number shown below, which bit is the Least Significant Bit (LSB)? b7b6 b5 b4 b3 b2 b1 b0 1 0 1 1 0 1 0 1 B 0 (zero) Which of the following is a rule of Boolean algebra? 1. AA • 0 = A 2. AB • 1= 1 3. A • A = A 4. AC • A = 1 A • A = A What is the binary equivalent to the decimal number 1310? 1101 What is the decimal equivalent to the binary number 0101102? 22 base 10 What is the binary equivalent to the hexadecimal number CH 11002 Which of the following equations is the un-simplified Sum-Of-Products equation for the truth table shown below with F as the Output? X Y Z F 0 0 0 0 0 0 1 1 0 1 0 1 0 1 1 0 1 0 0 0 1 0 1 0 1 1 0 1 1 1 1 0 F = X' Y' Z + X' Y Z' + X Y Z' What is the letter symbol for current? I Which of the following is a correct DeMorgan's Identity? 1.. XY" = X'•Y' 2. XY" = X'•Y 3. XY" = X' + Y' 4. XY = X + Y XY" = X' + Y'