Microcontroller
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240+ questions on microcontrollers.
Microcontroller
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25 Questions

1. What does the compact and uniform nature of instructions in RISC processors facilitate to?
2. POP operation
3. RISC Philosophy implemented with ___ major deign goals.
4. General purpose registers holds the _____
5. Which of the following signal control the flow of data?
6. The addressing mode, in which the instructions has no source
2nd destination operands is
7. 8051 microcontrollers are manufactured by which of the following companies?
8. ____ register is called the link register.
9. The address register for storing the 16-bit addresses can only be
10. Why two pins for ground are available in ADC0804?
11. When a program tries to access a page that is mapped in address space but not loaded in physical memory, then ____________
12. For 8086 microprocessor, the stack segment may have a memory block of a maximum of
13. How many rows and columns are present in a 16*2 alphanumeric LCD?
14. ___ is used to communicate between part of the device
15. What is the function of the SCON register?
16. Key press detection and Key identification are:
17. The number of PUSH instructions and POP instructions in a subroutine must be
18. AT89C2051 has RAM of:
19. _____ level covers electrical characteristics.
20. Which pin of the external hardware is said to exhibit INT0 interrupt?
21. Which of the following is an efficient method of cache updating?
22. If Timer 0 is to be used as a counter, then at what particular pin clock pulse need to be applied?
23. RISC means ____
24. In ARM program register has __ types
25. Which of the following is the logic level understood by the micro-controller/micro-processor?

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