IB CS - Topic 2

CPU stands for...

• Central Purifying Unit

• Central Production Unit

• Central Processing Unit

• Crucial Processing Unit

ALU stands for....

• Analysis and Logic Unit

• Arithmetic Logic Unit

• Arithmetic Language Unit

• Analyzing and language Unit

CU stands for

• Cumulative Understanding

• Central Unit

• Control Understanding

• Control Unit

Registers are...

• Small temporary storage spaces inside drivers

• Permanent computer storage

• Small temporary storage spaces inside the CPU

• Peripheral devices connected to the computer to allow storage

The CPU ...

• performs all types of data processing operations

• is the link between user and computer hardware

• contains circuitry necessary to interpret and execute program instructions.

• stores data, intermediate results, and instructions

Which of the following is NOT a type of register?

• MAR

• Program Counter

• MDR

• MADR

The CU

• Loading and decoding new commandsDirects data flow and operation of ALU

• is also known as the Dual core

• Part of CPU that does arithmetic and logical functions

• Holds memory address of next instruction

MAR

• Connected to data busHolds data that will be written to or read from RAM

• Connected to address bus

  Contains memory address

• Contains RAM address of instruction CPU wants next

• Set of wires that connect two components

RAM

• Volatile

• Non-volatile

• Contains data and instructions computer has loaded since starting up

• Stores BIOS

Byte

• Smallest unit of data

• Digits 0 and 1 used to store data

• Group of 8 bits

• Numbering system with 10 symbols