Microprocessor MCQ Quiz

2. The instruction, MOV AX, 1234H is an example of -

• register addressing mode
• immediate addressing mode
• based indexed addressing mode
• direct addressing mode

3. The full form of FPGA is -

• Forward Programmable Gate Array
• Forward Parallel Gate Array
• Field Programmable Gate Array
• Field Parallel Gate Array

4. Which language could be used for programming an FPGA.

• VHDL
• Verilog
• Both A and B
• None

5. 8085 microprocessor has how many pins -

• 41.
• 39.
• 40.
• 30.

6. What is SIM?

• Set interrupt mask.
• Sorting interrupt mask.
• Select interrupt mask.
• None of these

7. The ROM programmed during manufacturing process itself is called -

• EPROM
• PROM
• EEPROM
• MROM

8. The ROM programmed during manufacturing process itself is called -

• EPROM
• PROM
• EEPROM
• MROM

9. Output of the assembler in machine codes is referred to as -

• Source program
• Macroinstruction
• Object program
• Symbolic addressing

10. The software used to drive microprocessor-based systems is called-

• firmware
• machine language code
• BASIC interpreter instructions
• assembly language

11. How many buses are connected as part of the 8085A microprocessor?

• 8
• 5
• 3
• 2

12. The items that you can physically touch in a computer system are called:-

• firmware
• hardware
• software
• none of the above

13. ALU (Arithmetic and Logic Unit ) of 8085 microprocessor consists of-

• Accumulator, arithmetic, logic circuits and five flags
• Accumulator, arithmetic and logic circuits
• Accumulator, temporary register, arithmetic, logic circuits and five flags
• Accumulator, temporary register, arithmetic and logic circuits

14. Register pair used to indicate memory-

• B and C
• D and E
• H and L
• W and Z

15. The Intel 8086 microprocessor is a _______ processor.

• 16 bit
• 32 bit
• 8 bit
• 4 bit

16. In which year, 8086 microprocessor was introduced?

• 1978
• 1979
• 1977
• 1981

17. In 8086, Example for Non maskable interrupts are ________.

• rst6.5
• intr
• rst6.6
• trap

18. RIM is used to check whether, _____

• The interrupt is Masked or not
• The write operation is done or not
• both 1 & 2
• None of these

19. The first digital computer build with IC chips was known as -

• Apple -1
• IBM 7090
• IBM system / 360
• VAX - 10

20. Which of the following is used for manufacturing chips?

• Control bus
• Control unit
• Parity unit
• Semiconductor

21. Which of following instruction subtract memory and carry from a,b

• AB[a,x,y]
• SBC[a,b]
• SUB[a,b,d]
• tst[a,b]

22. Which of following load the stack pointer

• bgt
• LDS
• bhs
• RTS