Digital Electronics - Memory and Storage

@ : Home > Digital Electronics > Memory and Storage > General Questions

"Do not wait for leaders; do it alone, person to person."

- Mother Teresa

71.

The refresh period for capacitors used in DRAMs is ________.

72.

What is the principal advantage of using address multiplexing with DRAM memory?

A.	reduced memory access time
B.	reduced requirement for constant refreshing of the memory contents
C.	reduced pin count and decrease in package size
D.	It eliminates the requirement for a chip-select input line, thereby reducing the pin count.

73.

What is a multitap digital delay line?

A.	a series of inverter gates with RC circuits between each one
B.	a series of inverter gates with RL circuits between each one
C.	a series of NAND gates with RC circuits between each one
D.	a series of NAND gates with RL circuits between each one

74.

The bit capacity of a memory that has 2048 addresses and can store 8 bits at each address is ________.

A.	4096	B.	8129
C.	16358	D.	32768

75.

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.	Four
C.	Two	D.	One

76.

The mask ROM is ________.

77.

Which of the following is not a flash memory mode or operation?

A.	Burst	B.	Read
C.	Erase	D.	Programming