What is the purpose of memory refresh register of Z80?
A. To control on-chip SRAM
B. To control on-chip DRAM
C. To clear cache
D. To control ROM
Answer: Option B
Related Questions on Embedded Systems
In which processor does the control register and system management mode register first appeared?
A. 80386
B. 80386SL
C. 80386DX
D. 80486
Which is the single device capable of providing prototyping support for a range of microcontroller?
A. Umbrella device
B. OTP
C. RAM
D. ROM
How an alternate set of the register can be identified in Z80?
A. Suffix
B. Prefix
C. ,suffix
D. ,prefix

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