Top 350+ Solved Digital Logic Circuits (DLC) MCQ Questions Answer
Q. Three decade counter would have
a. 2 bcd counters
b. 3 bcd counters
c. 4 bcd counters
d. 5 bcd counters
Q. BCD counter is also known as
a. parallel counter
b. decade counter
c. synchronous counter
d. vlsi counter
Q. The parallel outputs of a counter circuit represent the
a. parallel data word
b. clock frequency
c. counter modulus
d. clock count
Q. The time from the beginning of a read cycle to the end of tACS/tAA is called as
a. write enable time
b. data hold
c. read cycle time
d. access time
Q. Why did PROM introduced?
a. to increase the storage capacity
b. to increase the address locations
c. to provide flexibility
d. to reduce the size
Q. PROMs are available in
a. bipolar and mosfet technologies
b. mosfet and fet technologies
c. fet and bipolar technologies
d. mos and bipolar technologies
Q. Which of the following best describes the fusible-link PROM?
a. manufacturer-programmable, reprogrammable
b. manufacturer-programmable, one-time programmable
c. user-programmable, reprogrammable
d. user-programmable, one-time programmable
Q. How can ultraviolet erasable PROMs be recognized?
a. there is a small window on the chip
b. they will have a small violet dot next to the #1 pin
c. their part number always starts with a “u”, such as in u12
d. they are not readily identifiable, since they must always be kept under a small cover
Q. Which part of a Flash memory architecture manages all chip functions?
a. program verify code
b. floating-gate mosfet
c. command code
d. input/output pins
Q. How much locations an 8-bit address code can select in memory?
a. 8 locations
b. 256 locations
c. 65,536 locations
d. 131,072 locations
Q. What is a fusing process?
a. it is a process by which data is passed to the memory
b. it is a process by which data is read through the memory
c. it is a process by which programs are burnout to the diode/transistors
d. it is a process by which data is fetched through the memory