Datapaths and Controls

An instruction that tells the datapath to perform mathematical operations is called

• branch

• arithmetic-logical

• multiplexer

An instruction that changes the instruction address in the PC

• branch

• arithmetic-logical

• multiplexer

_______ instructions read from memory or write data to memory

• branch

• arithmetic-logical

• memory-reference

______ distributes program instructions to the datapath, memory and I/O devices.

• Datapath

• Control

• ALU

Standard datapaths consists of a(n) ______ and various small registers.

• PC

• ALU

• multiplexer

Data selector is the same as ____

• source

• adder

• multiplexer

__________ choses the right input and sends it to its destination.

• Adder

• Data selector

• Branch

The _______ is where information comes from.

• source

• destination

• address

The _______ is where information is going.

• source

• destination

• address

The process of carrying out a task in a certain way is called

• ALU

• implementation

• destination