Computer Hardware Questions and Answers Graded A+

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Computer Hardware Questions and Answers Graded A+ Case (Tower or Chassis) ✔✔Covers and protects all internals parts from the outside environment(skin) Motherboard ✔✔The circuit board that ... houses most of your computers components and directs data traffic to and from the appropriate devices (skeleton/ central nervous system Central Processing Unit (CPU) ✔✔Carries out all complex calculations to perform instructions sent by the user or input devices and then sends processed data to output devices. CPU speed is measured in Hertz(brain) Heat Sink ✔✔Metal block which mounts on top of the CPU in order to cool the processor by dispersing heat. Most have fans (sweat) Memory(RAM- Random Access Memory) ✔✔Where the CPU stores temporary data used to run programs. When the (blank) is full, the CPU redirects the excess data to the hard drive which isn't as fast. More (blank)= more applications can run simultaneously with no loss in speed. (short-term memory) Video Card (Video Adapter) ✔✔Sometimes integrated into the motherboard, this device gives the system display capabilities. Converts data into a video signal to be sent to a display device. High quality (blank)s include their own processor and memory. (eyes) Network Card (Network Adapter) ✔✔Usually a modem (phone jack) port and Ethernet port PCI Slots (Peripheral Component Interconnect) ✔✔Allows sound cards, video cards, TV/radio tuners, and modems to communicate with the processor. These devices include connects on the back of the computer. Power Supply Unit (PSU) ✔✔Funnels power to all other parts of the computer such as the motherboard, CD-ROM drives and other peripherals. It also has a fan to cool all internal components. (heart) Universal Serial Bus(USB) ✔✔A port on the computer in which many peripheral devices can be connected such as printers, scanners, cameras, mmp3 players, phones storage devices, etc... Sound Card (Sound Adapter) ✔✔A separate card you can plug into a PCI slot in order to get better sound that is provided by the integrated sound chips. (ears) Basic Input/Output System (BIOS) ✔✔Performs system checks at boot-up time of the computer. It also provides communication between the processor and peripherals. A mini-, built-in operating system. (Waking up) PS/2 ports ✔✔Ports to connect a mouse and a keyboard(color-coded) Parallel ports ✔✔A port to connect a printer or scanner Peripherals ✔✔Anything connected to the motherboard or computer such as mice, keyboards, monitors, sound cards, video cards, network cards, printers, scanners, cameras, storage devices etc...(arms and legs) hard drive ✔✔High capacity storage devices used to store the operating system, applications, and other data. Info is stored on magnetic disks. (long-term memory) Optical Drives ✔✔CD-ROM, CD-R, CD-RW and DVD-ROM, DVD+/-R, DVD+/-RW drives used to read high capacity storage media. R= recordable and RW= recordable/rewriteable Ribbon Cable (multi-wire planar cable) ✔✔A series of parallel, connected wires used to connect disk drives to disk drive controllers. Red wire goes on Pin 1. [Show More]

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