Unit 5 - Computer Software Target Setting by iarthur

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									Name: Unit 5 – Computer Software Define and Explain
Bootstrap Loader o Function is to load the rest of the OS  Single User Operating System o Interpreting User Commands o File Management o Memory Management o Input/output Management o Resource Allocation o Managing Processess  Command Language Interpreter o Interprets user commands o Interacts with user  File Management o Concerned with efficient use of backing Storage devices  Memory Management o Controls where programs/data are saved In memory o Keeps track of total main memory available   I/O Management o Communicates with peripherals o Handles transfer of data between Peripherals and processor The Kernel o Manages processes o Handles interrupts Resource Allocation o Manage which resource is available at Any one time by a process

How confident am I?
√ = very ?= unsure X = do Not understand

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Utility Program o A program that carries out an everyday task o Virus Checker o Disk Editor o Defragmenter Standard File Formats o TXT RTF JPEG o Joint Photographic Experts Group o 24 bit true colour o Lossy Compression GIF o Graphics Interchange Format o 8 bit o lossless compression TIFF o Tagged Image File Format o Any colour depth o Doesn’t use compression Software Compatibility Issues o Memory Requirements o Storage Requirements o OS Compatibility Virus o Trojan Horse o Worm o Virus Types of Virus o Macro Virus o Boot Sector Virus o File Virus Virus Actions o Watching o Replication o Delivery o Camouflage

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Anti o o o o

Virus Detection Techniques Check Sum Virus Signature Memory Resident Monitoring Heuristic check Mark in how well you think you are coping with each section Discuss any areas which are problematic with your teacher Read up on these sections FIRST when you are studying!


								
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