Top 350+ Solved Digital Electronics MCQ Questions Answer
Q. The chip by which both the operation of read and write is performed
a. ram
b. rom
c. prom
d. eprom
Q. If a RAM chip has n address input lines then it can access memory locations upto
a. 2(n-1)
b. 2(n+1)
c. 2n
d. 22n
Q. Which of the following control signals are selected for read and write operations in a RAM?
a. data buffer
b. chip select
c. read and write
d. memory
Q. Computers invariably use RAM for
a. high complexity
b. high resolution
c. high speed main memory
d. high flexibility
Q. The magnetic core memories have been replaced by semiconductor RAMs, why?
a. semiconductor rams are highly flexible
b. semiconductor rams have highest storing capacity
c. semiconductor rams are smaller in size
d. all of the mentioned
Q. The data written in flip-flop remains stored as long as
a. d.c. power is supplied
b. d.c. power is removed
c. a. power is supplied
d. a.c. power is removed
Q. What is memory decoding?
a. the process of memory ic used in a digital system is overloaded with data
b. the process of memory ic used in a digital system is selected for the range of address assigned
c. the process of memory ic used in a digital system is selected for the range of data assigned
d. the process of memory ic used in a digital system is overloaded with data allocated in memory cell
Q. The first step in the design of memory decoder is
a. selection of a eprom
b. selection of a ram
c. address assignment
d. data insertion
Q. How many address bits are required to select memory location in Memory decoder?
a. 4 kb
b. 8 kb
c. 12 kb
d. 16 kb