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After the following has been executed MOV BL, 8C MOV AL, 7E ADD AL, BL; what will be the contents of register AL?
CDAC,
2337If a1M1× DRAM requires 4 ms for a refresh and has 256 rows to be refreshed, no more than __________ of time must pass before another row is refreshed.
CDAC,
1331In which T-state does the CPU sends the address o memory or I/O and the ALE signal for Demultiplexing
CDAC,
1536
Explain architecture of 8051 microcontroller?
Intel 8051 follows which architecture?
Define the types of memory used in 8085 microprocessor?
What is the position of the stack pointer after the push instruction?
What is the difference between harvard architecture and von neumann architecture?
Can port 0 be used as input output port?
What is the purpose of data moving instructions? Name any two such instructions?
Differentiate between hardware and software interrupts and state examples for both?
What is sim and rim instructions?
When is the LOCK prefix used often?
What are the conditions under which the eu enter into the wait mode?
Why memory width is not 16-bit? In stead of having 8-bit (same as 8085)?
What are flag registers?
How to control and timing circuitry of the 8085.
Device density on a microprocessor/chip?
