Microprocessor Quiz

Which of the following is correct about 8086 microprocessor?

• Intel’s first x86 processor

• Motrola’s first x86 processor

• STMICROELECTRONICS’s first x86 processor

• NanoXplore x86 processor

Which of the following is a type of microprocessor?

• CISC

• RISC

• EPIC

• All of the mentioned

What is the word length of an 8-bit microprocessor?

• 8-bits – 64 bits

• 4-bits – 32 bits

• 8-bits – 16 bits

• 8-bits – 32 bits

Which of the following is true about microprocessors?

• It has an internal memory

• It has interfacing circuits

• It contains ALU, CU, and registers

• It uses Harvard architecture

Which of the following flag is used to mask INTR interrupt?

• zero flag

• auxiliary carry flag flag

• interrupt flag

• sign flag

What is the word length of the Pentium-II microprocessor?

• 8-bit

• 32-bit

• 64-bit

• 16-bit

Which of the following is true about stack pointer?

• Stack pointer contains the address of the top of the stack memory

• Stack pointer is an 8-bit register

• Stack pointer stores data permanently

• Stack pointer is initialized after stack operation

HLT opcode means ?

• load data to accumulator

• store result in memory

• load accumulator with contents of register

• end of program

An 8-bit microprocessor signifies that ?

• 8-bit address bus

• 8-bit controller

• 8-interrupt lines

• 8-bit data bus

The data bus of any microprocessor is always ?

• Unidirectional

• Bi-directional

• Either unidirectional or bi-directional

• None