This set of Digital Circuits Multiple Choice Questions & Answers (MCQs) focuses on “Ring Counter”. 1. What is the difference between a shift-right register and a shift-left register?a) There is no differenceb) The direction of the shiftc) Propagation delayd) The clock input 2. What is a transceiver circuit?a) A buffer that transfers data from input […]
Continue ReadingThis set of Digital Circuits Multiple Choice Questions & Answers (MCQs) focuses on “Shift Register Counters”. 1. A bidirectional 4-bit shift register is storing the nibble 1110. Its input is LOW. The nibble 0111 is waiting to be entered on the serial data-input line. After two clock pulses, the shift register is storing ________a) 1110b) […]
Continue ReadingThis set of Digital Circuits Multiple Choice Questions & Answers (MCQs) focuses on “Universal Shift Registers”. 1. A bidirectional 4-bit shift register is storing the nibble 1101. Its input is HIGH. The nibble 1011 is waiting to be entered on the serial data-input line. After three clock pulses, the shift register is storing ________a) 1101b) […]
Continue ReadingThis set of Digital Circuits Multiple Choice Questions & Answers (MCQs) focuses on “Shift Registers”. 1. The full form of SIPO is ___________a) Serial-in Parallel-outb) Parallel-in Serial-outc) Serial-in Serial-outd) Serial-In Peripheral-Out 2. A shift register that will accept a parallel input or a bidirectional serial load and internal shift features is called as?a) Tristateb) End […]
Continue ReadingThis set of Digital Circuits Multiple Choice Questions & Answers (MCQs) focuses on “Registers”. 1. The register is a type of ___________a) Sequential circuitb) Combinational circuitc) CPUd) Latches 2. How many types of registers are?a) 2b) 3c) 4d) 5 3. A register is defined as ___________a) The group of latches for storing one bit of […]
Continue ReadingThis set of VHDL Multiple Choice Questions & Answers (MCQs) focuses on “Designing Shift Registers with VHDL”. 1. In serial input serial output register, the data of ______ is accessed by the circuit.a) Last flip-flopb) First flip-flopc) All flip-flopsd) No flip-flop 2. In PIPO shift register, parallel data can be taken out by ______a) Using […]
Continue ReadingThis set of VHDL Multiple Choice Questions & Answers (MCQs) focuses on “Designing Mealy Type FSM with VHDL”. 1. What kind of output does mealy machine produce?a) Asynchronousb) Synchronousc) Leveld) Pulsed 2. States in FSM are represented by ________a) Bitsb) Bytesc) Wordd) Character 3. Output values of mealy type FSM are determined by its ________a) […]
Continue ReadingThis set of VHDL Multiple Choice Questions & Answers (MCQs) focuses on “Designing Moore Type FSM with VHDL”. 1. Moore machine output is synchronous.a) Trueb) False 2. State transition happens _______ in every clock cycle.a) Onceb) Twicec) Thriced) Four times 3. Finite state machines are combinational logic systems.a) Trueb) False 4. What happens if the […]
Continue ReadingThis set of VHDL Multiple Choice Questions & Answers (MCQs) focuses on “Designing Counters with VHDL”. 1. Which of the following flip-flop is used by the ring counter?a) D flip-flopsb) SR flip-flopsc) JK flip-flopsd) T flip-flops 2. ‘shift_reg’ is used to initialize the _____________ in the shift register.a) LSBb) MSBc) Register typed) Register bits 3. […]
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