Input
Output
Computer
Riddles
Coding
100

What input can you speak into?

Microphone

100

What electronic visual output is always used on the road.

Traffic Lights!

100

The brain of the computer. Full name.

CPU!

Central Processing Unit

100

What is a bear without teeth?

A gummy bear!

100

How many bits in byte?

8

200

What input device allows you to play games on certain consoles or computers?

Game Controller

200

What output allows you to listen to sound alone?

Headphones/Earbuds

200

What is On and Off in binary?

On: 1

Off: 0

200

The more you take, the more you leave behind, but if you stand still I'm hard to find. What am I?

Foot Steps!
200

How to print Hello World using Java?

system.out.println("Hello World");

300

What input saves visual information?

Camera

300

What device displays a large screen?

Projector

300

Which is not a computer?

1. Laptop           2. Iphone 

3. Apple Watch   4. Server 

5. Abacus

All of them are computers!

300

I have a crown, but I am not a king, my outside is rough, but sweetness I bring, I don't belong in an apple's domain, yet people mistake me, what a shame. What am I?

Pineapple!

300

1) What 2 languages are essential in structuring and styling web pages and 2) which language is widely used for interactive features on web pages?

1. C++ and HTML!

2. JavaScript

400

What is the built-in mouse on a laptop called?

trackpad

400

What output allows you to take digital data into physical documents?

Printer

400

What is the full name of the temporary memory the computer uses to store data while the computer is in use?

Random Access Memory

400

I give you strength but have none myself, you take me in, yet I stay on the shelf, I vanish with time, though I'm never seen, without me your lost, what do I mean. What am I?

Knowledge!

400
Someone pinged a certain server 1 million times and it crashed. What type of attack is it?

DDoS Attack

500

What input accepts data as an input, processes, and gives a result?

A Function

500

What output provides tactile feedback in devices like game controllers?

vibrations, haptic feedback

500

What output of the computer is responsible for storing long term data - even when the power is not on.

Hard drive! 

500

Where does today come before yesterday?

A dictionary

500

1:30 finish this code segment:


public static boolean mystery(String str){

   String temp = "";  

   for(int k = str.length(); k > 0; k--){     

      temp = temp + str.substring(k - 1, k);   

   }  

  return temp.equals(str);

}


a. mystery("no")

b. mystery("on")

c. mystery("nnoo")

d. mystery("nono")

e. mystery("noon")

mystery("noon")

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