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Microprocessor Questions Set 9:

Quiz Mode

Where is the output of the ALU operations stored?

Memory Devices

Registers

Flags

Output unit

Solution:

Which 8085 flag is set when 22 is added to 81?

Auxiliary carry

Carry

Sign

None of the flags

Solution:

What is the typical refresh time required for a DRAM (Dynamic RAM)?

2-4 μs

2-4 ns

2-4 ms

2-4 ps

Solution:

The instruction, `MOV AX, 0005H` belongs to the address mode

direct

immediate

Solution:

How many address lines are required to address a memory of size 32 KB?

14 lines

15 lines

16 lines

18 lines

Solution:

The unit that decodes the opcode bytes received from the 16-byte instruction code queue is:

bus interface unit

execution unit

instruction unit

memory management unit

Solution:

What is the purpose of the banked registers in ARM?

Switching between supervisor and interrupt mode

None of the mentioned

Extended storage

Same as other general-purpose registers

Solution:

In an 8085 microprocessor, the registers that store the result of an addition and the overflow bit are, respectively:

Registers B and F

Registers A and F

Registers H and F

Registers A and C

Solution:

For the given statement, which interrupt signal fits the best?

Statement: It indicates that the CPU has received the HOLD request and it will relinquish the bus in the next clock cycle. HLDA is set to low after the HOLD signal is removed.

RESET OUT

RESET IN

HOLD

HLDA

Solution:

What does a high signal on the RESET OUT indicate?

All the registers of the CPU are being reset.

All the registers and counters are being reset.

All the registers and counters are being reset, and this signal can be used to reset external support chips.

Processing can begin when this signal goes high.

Solution:

Related Topics:

Microcontrollers Questions Set 1

Electromagnetic-theory Questions Set 1

System-verilog Questions Set 1

Control-systems Questions Set 1

Signals-and-systems Questions Set 1

Vhdl Questions Set 1

Analog-designs Questions Set 1

Digital-electronics Questions Set 1

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Microprocessor Questions Set 9:

Where is the output of the ALU operations stored?

Solution:

Which 8085 flag is set when 22 is added to 81?

Solution:

What is the typical refresh time required for a DRAM (Dynamic RAM)?

Solution:

The instruction, MOV AX, 0005H belongs to the address mode

Solution:

How many address lines are required to address a memory of size 32 KB?

Solution:

The unit that decodes the opcode bytes received from the 16-byte instruction code queue is:

Solution:

What is the purpose of the banked registers in ARM?

Solution:

In an 8085 microprocessor, the registers that store the result of an addition and the overflow bit are, respectively:

Solution:

For the given statement, which interrupt signal fits the best? Statement: It indicates that the CPU has received the HOLD request and it will relinquish the bus in the next clock cycle. HLDA is set to low after the HOLD signal is removed.

Solution:

What does a high signal on the RESET OUT indicate?

Solution:

Related Question Sets:

Related Topics:

The instruction, `MOV AX, 0005H` belongs to the address mode

For the given statement, which interrupt signal fits the best?

Statement: It indicates that the CPU has received the HOLD request and it will relinquish the bus in the next clock cycle. HLDA is set to low after the HOLD signal is removed.