Computer Basics Notes
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What oversees everything a computer does? | The CPU
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| What are the three main things that a CPU does? | Fetch, Decode, and Execute
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| What are today's computers processing speed measured in, in terms of hertz? | Gigahertz (GHz)
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| How mant cycles per second is a hertz? | 1 cycle per second
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| What is a type of short-term memory on a computer? | RAM
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| What is a type of long-term memory on a computer? | ROM
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| What is BIOS? | A type of ROM that is used by the computer to establish when the computer first powers on.
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| What is caching? | The storing of frequently used data in extremely fast RAM that connects directly to the CPU
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| What is flash memory? | A solid state storage device. It retains data even after the computer has been turned off.
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| Between a floppy disc and a flash drive, which has more memory? | A flash drive
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| How many kilobytes is a one-paged, double-spaced text document? | 20 KB
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| How many bytes are a terabyte? | 1,099,511,627,776 bytes
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| What is the first thing loaded onto a computer? | The operating system (OS)
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| What is the Motherboard? | The main circuit board to which all other internal components connect.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
SEB10
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