EEE-3212 ( Quiz-1)

What are the 2 parts of the instruction?

• Opinstruction and Opmemory

• Opcommand and Opstate

• Opcode and Operand

• Opcommand and Opmemory

Assembly language is written using...

• Binary/hexadecimal

• English-like key words

• Plain English

• Abbreviated mnemonic keywords

The instruction, MOV A, 1234H is an example of -

• register addressing mode

• immediate addressing mode

• based indexed addressing mode

• direct addressing mode

The Intel 8085 microprocessor is a _______ processor.

• 16 bit

• 8 bit

• 32 bit

• 64 bit

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

How many bit address buses are present in the 8085 microprocessor?

• 16 bit

• 8 bit

• 32 bit

• 128 bit

After performing arithmetical or logical operations, the result is stored in -------.

• Stack Pointer

• Flag Register

• Accumulator

• Program Counter

When a carry flag is set (1)

• A. when a subtraction results in no borrow.

• B. in operation results in a carry

• C. in operation results in a no carry.

• both A& B

Which one is the following function is performed by the 8085 instruction MOV H, C ?

• Moves contents of H register to C register.

• Moves contents of C register to H register.

• Moves contents of C register to HL register.

• Moves contents of HL register to C register.

What does works in DAD instruction?

• adds the contents (8bit) of the specified register pair with that of BC pair.

• sub the contents (16bit) of the specified register pair with that of HL pair.

• adds the contents (16bit) of the specified register pair with that of HL pair.

• sub the contents (8bit) of the specified register pair with that of DE pair.