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Hardware Basics 065

umkc teaching with tecnology

Computer system refers to the computer and other support devices
Central processing unit where the processing of information takes place
Control unit responsible for retrieving instructions, and sending command signals to the rest of the computer
Arithmetic logic unit is the sector of the computer that performs the mathematical calculations required in data processing
What does a memory unit do allows for storage of information
How many different types of memory units are there, and what are they called Ram and Rom
What is RAM ram is temporary memory that is designed to hold new data and is available only when the computer is turned on.
What is ROM is permanent internal memory inside the system, is inaccessible by the user and is used to store the instructions that are installed or programmed at the manufacture
What is binary coding system is the code that is used for information exchange in computers, made up of zeros and ones
What is a bit is the smallest unit of binary information a zero or a one
What is a byte eight bits equal a byte which will represent one letter or number
What is processer speed expressed in megahertz
What is an input device and list examples allow for the input of data into the computer example keyboard mouse scanners graphic tablets, microphones digital cameras
What does hard disk drive do internal storage holds large amounts of information?
What does cdrom stand for compact disc read only memory
What does cd-rw stand for compact disc-rewritable, allows for recording of data, but also allows for editing
Created by: kingclay