What does m1 signal in Z80 describes?
A. I/O operation status
B. Memory refresh output
C. Output pulse on instruction fetch cycle
D. Interrupt request input
Answer: Option C
A. I/O operation status
B. Memory refresh output
C. Output pulse on instruction fetch cycle
D. Interrupt request input
Answer: Option C
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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