Download Cosc 1200: Computer Systems Review Sheet and more Study notes Computer Science in PDF only on Docsity! Cosc 1200 Review Sheet Know these terms, their properties, and how and why they are used/applied. Types of computers (Chapter 1) Chapter 2 – The System Unit: Processing and Memory Digital computers Binary Digital data representation Binary digit (bit), byte, kilobyte, megabyte, gigabyte, terabyte, Exabyte Numbering systems ASCII, EBCDIC, Unicode Graphics Data, bitmap, vector images Dithering Pixels Bit depth Monochrome, grayscale, 16, 256, and true color (know how many possible colors are represented and what the bit depth is) Audio data, waveform, samples, MP3 compression Video data Machine Language System Unit Motherboard/System board Peripheral Device Central Processing Unit (CPU)/Microprocessor, processor, dual core CPU System clock, clock speed, what it is measure in Word size Bus, bus width, bus speed, System bus, Frontside Bus, Backside bus Memory, RAM, ROM, Cache Memory, Flash Memory, Registers Fans, Heat Sinks Expansion Slots, Expansion cards Universal Serial Bus Port Parts of the CPU: Arithmetic Logic Unit, Floating Point Unit, Control Unit, Prefetch Unit, Bus Interface, Decode Unit, Registers, Cache Memory Machine Cycle Microcode Instruction Set Ways of making the computer faster Pipelining, Parallel Processing, Multiprocessing Nanotechnology, Quantum Computing Chapter 3 - Storage 2 parts of any storage system – storage device and storage medium Removable vs. Fixed media storage Volatility Random vs. Sequential Access and know example for each Logical vs. Physical Representation File, Folders, directories Magnetic Disks Floppy disks: Tracks, Sectors, Clusters, formatting Hard disks (internal, external, portable) Tracks, Sectors, Clusters, Cylinder, partitioning, head crash, Disk Access Time, Seek Time, Rotational Delay, Data Movement Time, caching, disk caching, file system, hard drive interface standards Superdiskettes & Hard Disk Cartridges Optical Disks Sectors, Tracks, Pits, Land, burning, CD-Rom, CD-R, CD-RW DVD-Rom, DVD-R, DVD RW Blu Ray Flash Memory Systems Flash Memory card Flash Memory Drive (USB mini drives, USB flash drives, thumb drives, jump drives, key drives) Solid state storage systems Remote Storage, local storage, online storage Smart Cards Holographic Storage Network Attached Storage, Storage Area Networks RAID, disk mirroring, disk stripping, fault tolerance Magnetic Tape Systems Chapter 4 – Input and Output Keyboard, function keys, wireless, portable, foldable Mouse – mechanical, optical, wireless Electronic pens, stylus Handwriting Recognition, Digital forms Graphics Tables, Signature Capture Devices, Digital Writing Systems Touch Screen Joystick, trackballs, pointing sticks, touch pads Scanners: flatbed, handheld, sheetfed, drum, 3-d Optical Character Recognition Scanner resolution, dots per inch (dpi) Source Data automation, source document Barcode readers, Universal Product Code Radio Frequency Identification Readers Optical March Readers, Scantron Optical Character Recognition Devices Magnetic Ink Character Recognition Readers
