What is the purpose of Cache?

• Performs Arithmetic and Logical operations
• Decodes and directs instructions to be carried out
• Stores frequently used data and instructions
• Processes graphical functions

Processors have a speed measured in

• Hertz

• Bits

• Bytes

• Seconds

What part of the CPU is being described?

Carries out arithmetic operations and performs logical comparisons.

• ALU

• Control Unit

• Cache

• Clock

What does volatile mean?

• Temporarily stores data until the power is removed.

• Permanently stores data forever even when the power is removed.

• The amount of electricity being passed through the CPU.

• The number of instructions of which the CPU can handle.

A ______ is a collection of wires that carry signals or communications between the various components of the computer system.

• Clock

• Registers

• Bus

• Cache

A technician has 2GB of data that needs to be backed up from a customer's Windows 7 computer. Which of the following storage media should the technician use?

• DVD-RW

• CD-RW

• DVD-ROM

• CD-ROM

Which is not a layer in the TCP/IP model?

• Application

• Tranmission

• Internet

• Network

Which are not one of the application layer protocols?

• DNS

• FTP

• SMTP

• FNP

Which of the TCP/IP model layers is responsible for breaking down the message into packets?

• Network

• Application

• Transport

• Internet

What is TCP used for?

• To send information across the internet in packets

• To ensure that information is sent to the correct computer

• To send mail across the internet

• To transmit webpages across the internet