Top 350+ Solved Digital Electronics MCQ Questions Answer
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. How many 8 k × 1 RAMs are required to achieve a memory with a word capacity of 8 k and a word length of eight bits?
a. eight
b. two
c. one
d. four
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. 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
Q. Metal links are made up of
a. polycrystalline
b. magnesium sulphide
c. nichrome
d. silicon dioxide
Q. EPROM uses an array of
a. p-channel enhancement type mosfet
b. n-channel enhancement type mosfet
c. p-channel depletion type mosfet
d. n-channel depletion type mosfet