Review Test Submission_ Midterm Exam 1 – Fall 2023 TTU .._

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Texas Tech University *

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10/16/23, 7:27 PM Review Test Submission: Midterm Exam 1 – Fall 2023 TTU ... https://ttu.blackboard.com/webapps/assessment/review/review.jsp?attempt_id=_58660041_1&course_id=_223692_1&content_id=_10458967_1… 1/6 Home Page Exam Links Review Test Submission: Midterm Exam 1 H Review Test Submission: Midterm Exam 1 Review Test Submission: Midterm Exam 1 User Rahul Tarlapally Course Fall 2023 TTU Modern Digital System Design (ECE-2372-001) Full Term Test Midterm Exam 1 Started 10/16/23 6:04 PM Submitted 10/16/23 7:26 PM Status Completed Attempt Score 430 out of 520 points Time Elapsed 1 hour, 22 minutes out of 2 hours and 30 minutes Question 1 a(b + c) = ab + ac is an example of which Boolean algebra property? Question 2 Boolean Algebraic properties _____. Question 3 Sum-of-minterms form is a _____. Question 4 Which of the following is a compact notation for f(a,b,c) = a’b’c + ab'c + ab'c'? Question 5 How many AND gates are required to implement a decoder that has 4 outputs? Question 6 How many inputs are required for a decoder with 4 outputs? Question 7 What is a 2-input AND gate's output value given input values a = 1, b = 0? Question 8 What is a 2-input OR gate's output value given input values a = 0, b = 1? Question 9 Cell (K) corresponds to which minterm in the K-map below? Question 10 My Institution Courses Courses Community Content Collection Services Assist 10 out of 10 points 10 out of 10 points 0 out of 10 points 0 out of 10 points 10 out of 10 points 10 out of 10 points 10 out of 10 points 10 out of 10 points 10 out of 10 points 10 out of 10 points Rahul Tarlapally 74 Support

10/16/23, 7:27 PM Review Test Submission: Midterm Exam 1 – Fall 2023 TTU ... https://ttu.blackboard.com/webapps/assessment/review/review.jsp?attempt_id=_58660041_1&course_id=_223692_1&content_id=_10458967_1… 2/6 Circle (P) is what simplified term? Question 11 The circuit below violates which of the following circuit drawing conventions? Question 12 Which of the circuits below adheres to the basic circuit drawing conventions? Question 13 Which of the following directly converts NOT(a) OR b AND NOT(c) to an expression using digital-designer shorthand notation? Question 14 What is the output of the following equation: NOT(a) OR a. Question 15 Which equation converts the truth table to a sum-of-minterms? Question 16 How many rows does a truth table contain for a 2-input function? Question 17 Which is y = ab + a' in sum-of-minterms form? Question 18 Which is y = ab + a simplified? Question 19 The following equation is converted to sum-of-products form. Indicate the product term that corresponds to the "?" below. Note: Simplify when possible. y = e’(f’ + g) 0 out of 10 points 0 out of 10 points 10 out of 10 points 10 out of 10 points 10 out of 10 points 0 out of 10 points 10 out of 10 points 10 out of 10 points 10 out of 10 points

10/16/23, 7:27 PM Review Test Submission: Midterm Exam 1 – Fall 2023 TTU ... https://ttu.blackboard.com/webapps/assessment/review/review.jsp?attempt_id=_58660041_1&course_id=_223692_1&content_id=_10458967_1… 3/6 y = e’f' + ? Question 20 Which sum-of-product equation matches the circuit provided? Question 21 A Boolean equation is converted to a circuit in what order? Question 22 Determine the missing gate needed to implement y = ab + (c + d'). Question 23 A timing diagram _____. Question 24 For the circuit below, what should be the y, z values at position (1)? Question 25 A two-input XOR gate outputs 1 if _____. Question 26 What is a 2-input XNOR gate's output value given input values a = 1, b = 1? Question 27 Counting up from 010, which of the following list the next three binary numbers? Question 28 Which of the following 4-bit binary numbers is equivalent to the decimal number 12? Question 29 Circle (M) corresponds to what simplified term? 10 out of 10 points 10 out of 10 points 10 out of 10 points 10 out of 10 points 10 out of 10 points 10 out of 10 points 10 out of 10 points 10 out of 10 points 10 out of 10 points 10 out of 10 points

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10/16/23, 7:27 PM Review Test Submission: Midterm Exam 1 – Fall 2023 TTU ... https://ttu.blackboard.com/webapps/assessment/review/review.jsp?attempt_id=_58660041_1&course_id=_223692_1&content_id=_10458967_1… 4/6 Question 30 Circle (P) corresponds to what simplified term? Question 31 What is the decimal equivalent of the hexadecimal number 2A? Question 32 What is the hexadecimal equivalent of the binary number 10101100? Question 33 Which addition results in an overflow? Question 34 Identify the two' s complement representation of 4 + -5. Question 35 Convert the binary value 1001 to Gray code. Question 36 Gray code 0001 0011 0010 X Y Z 0100 Gray code is a bit encoding for a value sequence where successive values differ by only one bit. What are the values of X, Y, and Z in the given table? Question 37 Choose the statement that correctly describes the circuit below. Question 38 Which of the following statements is correct? 10 out of 10 points 10 out of 10 points 10 out of 10 points 10 out of 10 points 0 out of 10 points 10 out of 10 points 10 out of 10 points 10 out of 10 points 10 out of 10 points

10/16/23, 7:27 PM Review Test Submission: Midterm Exam 1 – Fall 2023 TTU ... https://ttu.blackboard.com/webapps/assessment/review/review.jsp?attempt_id=_58660041_1&course_id=_223692_1&content_id=_10458967_1… 5/6 Question 39 Identify the rightmost digit in base 4, when converting 40 decimal to base 4. Question 40 What is the value of 210 base 6 in decimal? Question 41 Identify an accurate representation of decimal to binary conversion. Question 42 Which addition will result in an overflow? Question 43 A 4x1mux is captured by which equation? Question 44 A multiplexor is a combinational circuit that passes ____. Question 45 Which of the following implements a NOT gate? Question 46 This equation Y = (a' + b)c is implemented by which circuit? 10 out of 10 points 10 out of 10 points 10 out of 10 points 10 out of 10 points 10 out of 10 points 0 out of 10 points 10 out of 10 points 10 out of 10 points

10/16/23, 7:27 PM Review Test Submission: Midterm Exam 1 – Fall 2023 TTU ... https://ttu.blackboard.com/webapps/assessment/review/review.jsp?attempt_id=_58660041_1&course_id=_223692_1&content_id=_10458967_1… 6/6 Monday, October 16, 2023 7:26:39 PM CDT Question 47 A light y should illuminate when neither room b is occupied nor room c is occupied. The functionality can be captured as y = (b + c)'. Which of the following is equivalent? Question 48 Apply DeMorgan's Law to simplify y = (a + bc)'. Question 49 The difference between a D latch and a D flip-flop is ___. Question 50 A 2-bit register has data inputs d1, d0, clock input clk, and outputs q1, q0. Data input d1d0 is 11 and output q1q0 is 00. What does q2q1q0 become if the clk falls? Question 51 For the given SR-latch, if S is set to 1 and R remains 0, q will ___. Question 52 For the given SR-latch, if S and R are set to 1, then both back to 0, q will most likely: ← OK OK 10 out of 10 points 0 out of 10 points 10 out of 10 points 10 out of 10 points 10 out of 10 points 0 out of 10 points

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