MICROCONTROLLER UNIT 1

Froggy Jumps

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MULTIPLE CHOICE QUESTIONS

Created by

Rekha Mani

India

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1	Rekha Mani January 19, 2026	% 100	01:00

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Froggy Jumps MICROCONTROLLER UNIT 1Online version MULTIPLE CHOICE QUESTIONS by Rekha Mani 1 I hold the current working register bank and flag bits. Find me.” a Stack Pointer b Program Counter c Program Status Word 2 I am the 4 ports of 8051, each 8-bit wide. Identify me.” a I/O Ports b Stack Pointer c Data Pointer 3 I am 128 bytes and inside the chip. Touch me.” a ROM b RAM c PROGRAM COUNTER 4 “I’m a small computer in one tiny home, CPU, RAM, ROM—everything is in my dome. Who am I?” a MICROCONTROLLER b MICROPROCESSOR c RAM 5 I keep code and data apart, Two buses help me start. Which architecture do I use? a VON NEUMAN ARCHUTECTURE b HARVARD ARCHITECTURE c BOTH 6 I collect results of math and logic, the ALU’s best mate; add, AND, OR — I hold the final state. What am I? a B REGISTER b STACK POINTER c A REGISTER 7 I’m often A’s helper in multiplication or data moves, sometimes a temporary holder when the program proves. a B Register b Program Counter c Stack Pointer 8 8051 is a ------ bit microcontroller a 8 b 16 c 4 9 8051 has --------- data lines a 4 b 8 c 16 10 8051 has an ------ address lines a 4 b 8 c 16

Froggy Jumps

MICROCONTROLLER UNIT 1Online version

MULTIPLE CHOICE QUESTIONS

by Rekha Mani

I hold the current working register bank and flag bits. Find me.”

Stack Pointer

Program Counter

Program Status Word

I am the 4 ports of 8051, each 8-bit wide. Identify me.”

I/O Ports

Stack Pointer

Data Pointer

I am 128 bytes and inside the chip. Touch me.”

ROM

RAM

PROGRAM COUNTER

“I’m a small computer in one tiny home, CPU, RAM, ROM—everything is in my dome. Who am I?”

MICROCONTROLLER

MICROPROCESSOR

RAM

I keep code and data apart, Two buses help me start. Which architecture do I use?

VON NEUMAN ARCHUTECTURE

HARVARD ARCHITECTURE

BOTH

I collect results of math and logic, the ALU’s best mate; add, AND, OR — I hold the final state. What am I?

B REGISTER

STACK POINTER

A REGISTER

I’m often A’s helper in multiplication or data moves, sometimes a temporary holder when the program proves.

B Register

Program Counter

Stack Pointer

You can integrate the game into an LMS compatible with LTI 1.1 or LTI 1.3 such as Canvas, Moodle, or Blackboard. This way, the scores will be automatically saved into the platform’s gradebook.

MICROCONTROLLER UNIT 1

Froggy Jumps

About this activity

Created by

Download the paper version to play

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MICROCONTROLLER UNIT 1Online version

by Rekha Mani

I hold the current working register bank and flag bits. Find me.”

I am the 4 ports of 8051, each 8-bit wide. Identify me.”

I am 128 bytes and inside the chip. Touch me.”

“I’m a small computer in one tiny home, CPU, RAM, ROM—everything is in my dome. Who am I?”

I keep code and data apart, Two buses help me start. Which architecture do I use?

I collect results of math and logic, the ALU’s best mate; add, AND, OR — I hold the final state. What am I?

I’m often A’s helper in multiplication or data moves, sometimes a temporary holder when the program proves.

8051 is a ------ bit microcontroller

8051 has --------- data lines

8051 has an ------ address lines

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