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Hardware Basics 065
umkc teaching with tecnology
Question | Answer |
---|---|
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 |