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IT
Facts for IT
21
Computer Science
10th Grade
09/23/2017

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Cards

Term
The purpose of the CPU is to _____ data
It is where all the searching _____ Calculating and ___ making takes place in the computer
Definition
Process, Sorting, Decision
Term
Where does the CPU fetch the data and instructions from and where does it stores them
Definition
The CPU fetches Data from the computer and stores it in the RAM
Term
What is the name of the internal temporary memory areas.
Definition
RAM
Term
What is the item that moves data in the fetch cycle
Definition
Address Bus
Term
What is the other item that transfers the data from the address bus
Definition
Data Bus
Term
What is the next step in the cycle
Definition
Decode
Term
In the cycle the CPU is given specific commands. what are they called?
Definition
Instruction Set
Term
What happens after the CPU decodes the instructions
Definition
It gets ready for more commands
Term
What is the following part of the cycle
Definition
Excute
Term
What are the 3 main jobs of the CU
Definition
.Run the computer
.Gives RAM and ROM instructions
.Gives ALU INSTRUCTIONS
Term
Why does the CPU need to store data and programs in the IAS
Definition
For a background storage. If clogged programs can run at a slower pace
Term
The ALU is important but why
Definition
Arithmetic-Basic Math
Logic- logic and decision
Term
how many instructions can a computer process at any time
Definition
one at a time
Term
How is clock speed measured
Definition
By a cycle. One cycle is one Hertz
Term
How many instructions measured per second would a computer running at 3GHz carry out
Definition
3 billion per second
Term
The faster speed would make better performance
Definition
It depends because it could make it faster or slow
Term
Overclocking
Definition
setting the clock to go faster than normal
Term
What is dual core's
Definition
2 CPU'S
Term
What areas can the CPU store memory
Definition
RAM, Hard disk, Cache
Term
why is the Cache a volatile memory
Definition
It's a personal memory space unique to each computer.
Term
would a bigger cache mean better performance
Definition
It is a two way street
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