U3: Memory & Storage

What is cloud computing?

• A type of software that runs on a local computer

• An environment of servers that house and provide access to resources users access via the Internet

• A type of hardware used for storing data

• A method of connecting computers in a local network

Which of the following is NOT a reason why home and business users choose cloud computing?

• Accessibility

• Cost savings

• Space savings

• Increased electricity usage

What does 'Accessibility' in cloud computing refer to?

• Files are available anywhere with an internet connection

• No expense needed for software or hardware

• Reduces the floor space needed for equipment

• Flexibility to add or remove devices on the network

How does cloud computing provide cost savings?

• By reducing the need for physical office space

• By eliminating the need for software or hardware to run programs or store files on a separate device

• By increasing the speed of internet connections

• By providing free internet access

What is meant by 'Scalability' in the context of cloud computing?

• The ability to access files from anywhere

• The flexibility to add or remove devices on the network

• The reduction of floor space needed for equipment

• The reduction of software costs

How does a computer represent data compared to humans?

• In the same form as humans understand information

• In a different form than what humans understand information

• Only in text form

• Only in binary form

What types of data can humans perceive?

• Only text

• Only pictures

• Pictures, text, colors, sounds, and music

• Only colors

What type of signals are continuous and vary in strength and quality?

• Digital signals

• Binary signals

• Analog signals

• Discrete signals

Why is human speech considered analog?

• Because it uses discrete signals

• Because it uses continuous (wave form) signals that vary in strength and quality

• Because it uses binary digits

• Because it is in one of two states: on or off

What are the two states in which digital signals can exist?

• High and low

• Positive and negative

• On and off

• Start and stop