computer logic FINAL EXAM -COMPUTER LOGIC Instructionsz This is an open-book exu
ID: 3906214 • Letter: C
Question
computer logic
FINAL EXAM -COMPUTER LOGIC Instructionsz This is an open-book exum You cam use only your written notes or printed u help will be ziven or received You will have 120 minutes to complete this exam. Please cle explain yourself thoroughly whenever necessary Name: Variant 2 1. Multiple choice questions: 1.1 The device which changes from serial data to parallel data is (a) Counter (b) Multiplexer (c) Demultiplexer (d) Flip-flop 1.2 (b) NOR (c) NOT gates are used in realization of POS expression. (a) NAND (d) AND 1.3 Which of the following expressions is in the sum-of- products form? (a) (A+ B(C+ D) (b) (AB)+ (CD) (c) AB(CD) (d) AB CD 1.4 In a RS Flip-Flop, illegal means (a)Set q 1 and q 0. (b)Set q-0 and q1. (c)Set q- 1 and q (d)No change in output. 1. 1 multiplexer is 1.5 The number of control lines for a 8 -to (a) 2 (b) 3 (c) 4 (d) 5 1.6 What is the hold condition (storage mode) of JK flip-flop? (a) J-0, K-1 (b) J =0, K= 0 (c) J =1,K-0 (d)J 1, K- 1 A 0011 B 0110 C | 1100 D 1010 E 0101 1.7 Which encoding style was used for 5 states: (a) binary code (b) one-hot code (c) two-hot code (d) gray codeExplanation / Answer
Answer)
1) c) Demultiplexer is the device which changes from serial to parallel data.
2) d) AND Gate is being used for the realization of POS expression
3) d) AB + CD (It is the Sum of Product Form (SOP) expression
4) c) When both are asserted then it is illegal which is S=1 and Q=1
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.