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Published byTheodora Eaton Modified over 9 years ago
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There are many parts that work together to make a computer work. System Unit Computer Parts
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The Physical parts of a computer. This includes processor, memory chips, input/output devices, disk drives, modems, cables, etc. Hardware
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Central processing unit The part of the computer that completes the majority of the processing in a computer system. CPU
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The CPU – The chip or chips that interpret and execute program instructions and manage the functions of input, output, and storage devices. Processor
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Contains and protects the major components of the computer. Computer Case
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Front of the Computer Case
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Inside the Computer Case
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A display screen to provide “output” to the user. It is where you view the information you are working on. Monitor
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Connects the computer to the monitor. It is a circuit board attached to the motherboard that contains the memory and other circuitry necessary to send information to the monitor. Video Card
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Used to enter information into the computer and for giving commands. It is the main input device in a computer system. Keyboard
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An input device operated by rolling its ball or laser across a flat surface. The mouse is used to control the on- screen pointer by pointing and clicking, and dragging objects on the monitor. Mouse
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A pressure- sensitive and motion sensitive device used in place of a mouse Touchpad
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CD drive plays CDs and reads data that has been stored on the CD. CD – Compact Disk The newest and more common drive is the DVD drive. DVD –Digital Versatile Disk Optical Drives
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Compact Disk – A type of optical storage device. 700Mbs Digital Versatile Disk – An optical disk that stores video and files. Has a greater storage capacity. 4.7Gbs CD & DVD Disks
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A device that holds a removable floppy disk. It uses to read/write heads, read and write data to the diskette. This devices is becoming obsolete. Floppy Disk Drive
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Magnetic storage device inside the computer. Typical storage of a hard drive is 80Gbs to 1.5Tbs Hard Disk or Hard Drive
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Random Access Memory. RAM is a computer’s temporary memory, which exists as chips on the motherboard near the CPU. It stores data or programs while they are being used and it requires constant power. RAM
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An output device that produces a hard copy on paper. It gives information to the user in printed form. The two most common types are the inkjet and laser printers. Printer
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An input device that converts a pattern of printed bars into a number that a computer can read. They are often used by businesses to quickly input price and product information Barcode Reader
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A device that allows pictures and text to be placed into a computer as a digital file. Scanner
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Allows the user to record sounds as input to their computer. Microphone
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Used to generate or reproduce voice, music, and other sounds. Speakers
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Connects the motherboard to the speakers and microphone. Sound Card
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The place where the computer is connected to the phone line. Modem Card
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A circuit board that connects the computer to the rest of the network usually using special Ethernet cable. Also called a NIC - Network Interface Card Network Card
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Programs that tell the computer what to do. It provides instructions that the CPU will need to carry out tasks. Software
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Disk Operating System This software connects the hardware with the programs you want to run. MS-DOS: Microsoft DOS (Disk Operating System) is a command line user interface. MS-DOS 1.0 was released in 1981 for IBM computers. DOS
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Example of MS-DOS
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A family of operating systems developed and produced by Microsoft Corp. It provides a graphical user interface (GUI) which is used on IBM compatible computers (PCs). Windows
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Example of Windows (GUI)
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