Moderate MysteryIII

I scramble data to keep it safe but let the right key unlock it. What am I?

• Encryption
• Compression

• Encoding

• Hashing

I am a table with rows and columns, but I am not furniture. What am I?

• Database Table
• Hash table

• Spread Sheet

• Blue Print

I am an error in a program but also an insect. What am I?

I am the smallest unit of a digital circuit and have two states. What am I?

• bit
• Flipflop

• Transistor

• Logic Gate

I am a device that lets you see waves but am not an ocean. What am I?

• Oscilloscope
• Radar

• Antenna

• Sonar

I protect electrical circuits from overload but am not a bodyguard. What am I?

• Circuit Breaker

• Fuse

• Resistor

• Transformer

I am a heat exchanger but not an air conditioner. What am I?

• Radiator

• Heat Sink

• Boiler

• Thermocouple

I am a mixture of sand, cement, and water. What am I?

• Concrete

• Mortar

• Plaster

• Grout

I keep track of who is visiting a website but am not a receptionist. What am I?

• Cookies
• Firewall

• Cache

• Session

I measure resistance but am not stubborn. What am I?

• Ohmmeter
• Ammeter

• Multimeter

• Thermometer