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29 Cards in this Set
- Front
- Back
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Refers to a computers physical componets.
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Hardware
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refers to a set of instructions that directs the hardware to accomplish a task.
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software
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the type of data that a computer processes.
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Digital
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technology that converts analog data to digital data.
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Binary
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a 0 or a 1 in the binary number system
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bit
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a series of 8 bits.
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byte
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characters defines by patterns
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coding scheme
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the most widely used coding scheme in personal computers.
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ASCII
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Most important component of the computer
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CPU
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devices not located onthe mother board.
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peripheral device
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a connector that allowa a peripheral device to be connected to the computer.
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ports
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visually displays the output of the computer
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monitor
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Serial
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data is transferred serially, which means one bit follows the next.
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Parallel
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transmits data in parallel , most often used by printers, the widest port on the back of a computer.
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USB
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universal serial bus. Connects many different input and output devices such as: keyboards, printers, scanners and mice.
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Firewire
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used for high-speed multimedia devices such as digital camcorders.
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Sound
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provides an interface for devices such as headphones, speakers or microphones.
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PS/2
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provides an interface for a keyboard and mouse.
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eSATA
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can provide faster transfer rates than USB or firewire
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DVI
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a digital interface standard to convert analog signals into digital signals.
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Hard drive
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stores data magnetically
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power supply
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converts the power recieved from a power outlet
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Installed individually on the motherboard in the form of “sticks” into the DIMM slots.
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RAM
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Basic input/output system pronounced bye-ose. Also on the Rom chip that contains startup instructions for the computer to boot.
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BOIS
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a pair of prongs on the motherboard that act as a switch that closes or opens an electrical circuit.
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Jumper
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Carries information from on e section of the motherboard, or hardware device to another
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Bus
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to be answered
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KB, MB, GB
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A surge protector provides a row of outlets and an on/off switch that protects equipment from overvoltages on AC power lines and telephone lines.
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SUrge Protector
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An uninterruptible power supply (UPS) conditions the line for both brownouts and spikes, provides backup power during a blackout, and protects against very high spikes that could damage equipment
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Uninterrupitable power supplies
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