Hardware
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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| CPU | The brains of the computer system
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| RAM | (Random Access Memory) Where instructions and data are stored on a temporary basis; volatile memory.
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| ROM | (Read-Only Memory) Permanent storage; instructions are burned onto chips by the manufacturer.
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| USB | Standard that supports data transfer rates up to 12 million bits per second.
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| Port | Point at which a peripheral device attaches to a system unit so it can send data or receive information from the computer.
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| Motherboard | Circuit board that contains all of the computer system’s main components.
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| Modem | Communications hardware device that facilitates the transmission of data.
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| Fire Wire | Type of external bus that supports data transfer rates up to 400 Mbps and can connect up to 63 external devices.
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| Instruction Cycle (I-Cycle) | Amount of time it takes the central processing unit to retrieve an instruction and complete the command.
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| Machine Cycle | Made up of the instruction cycle and the execution cycle.
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| Memory | Also called random access memory or RAM, it is like short-term memory. It stores data while the computer is running. When the computer is turned off or if there is a loss of power, any data in the main memory disappears.
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| Expansion Slot | Openings on the motherboard where an expansion board, also called an adapter card, can be inserted.
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| Execution Cycle (E-Cycle) | Amount of time it takes the central processing unit to execute an instruction and store the results in RAM.
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| Controller | Device that controls the transfer of data from the computer to a peripheral device and vice versa.
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| Control Unit | That part of the CPU that coordinates all CPU activities.
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| Computer System | Input, output, and processing devices grouped together.
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| Cache Memory | High-speed random access memory that is used to increase the speed of the data-processing cycle.
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| Byte | Another word for character; generally represented by 8 bits.
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| Bit | In binary, a bit represents a zero or one.
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| Arithmetic/logic unit(ALU) | Part of the CPU where all calculations and comparisons take place.Arith
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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.
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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:
lynchie8344
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