🧠 Quick Study Guide: Predicting Program Behavior for Grade 1
- ✨ Think of a computer program like a recipe or a set of instructions. It always does things in a specific order!
- 👉 Input: This is what we tell the computer to do or give it (like pressing a button or typing a letter).
- 💡 Command: These are the steps the computer follows, one after another.
- 🚀 Output: This is what the computer shows us or does after following the commands (like showing a picture or making a sound).
- 🔍 To predict, just follow the instructions from top to bottom, step by step!
🎮 Practice Quiz: Predict the Computer's Next Move!
Read each set of instructions carefully and choose what the computer will do next!
1. Instructions:
1. Show a red square.
2. Play a 'ding' sound.
What will happen right after the red square appears?
- A) A blue circle appears.
- B) A 'ding' sound plays.
- C) The program stops.
2. Instructions:
1. Show a happy face.
2. If you click the happy face, make it wink.
What happens if you click the happy face?
- A) It turns sad.
- B) It winks.
- C) It disappears.
3. Instructions:
1. Start with a green alien.
2. Move the alien up.
3. Change the alien to purple.
What color will the alien be after it moves up?
- A) Green.
- B) Purple.
- C) Blue.
4. Instructions:
1. When the user presses the 'spacebar', show a star.
What happens if the user presses the 'enter' key?
- A) A star appears.
- B) Nothing happens.
- C) The computer turns off.
5. Instructions:
1. Show a small dog.
2. Make the dog bark.
3. Make the dog grow bigger.
What is the second thing the dog does?
- A) It grows bigger.
- B) It barks.
- C) It shows a small dog.
6. Instructions:
1. If the light is green, the car goes.
What happens if the light is red?
- A) The car goes.
- B) The car stops.
- C) The car turns.
7. Instructions:
1. Start with a cookie.
2. If you click the cookie, it disappears.
What happens if you click the cookie?
- A) It changes color.
- B) It disappears.
- C) It gets bigger.
Click to see Answers
1. B) A 'ding' sound plays. (The instructions are sequential.)
2. B) It winks. (The instruction specifies what happens on click.)
3. A) Green. (The color change happens *after* moving up.)
4. B) Nothing happens. (The star only appears for the 'spacebar'.)
5. B) It barks. (This is the second instruction listed.)
6. B) The car stops. (If the condition for going isn't met, the opposite happens, or nothing related to going.)
7. B) It disappears. (The instruction explicitly states it disappears on click.)