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Basit IT Knowledge

Basit IT Knowledge

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  • 1. By: Daniel Karjadi
  • 2. Background & Purpose Regular Briefing Lack of IT Basic Knowledge  If you don’t know, listen  If you know better, speak To make a better workplace By Knowing the Basics we understand the Advanced By Sharing we Learn more Weekly every Tuesday 3pm by PIC  In-between: Readings, Study, Tests, Feedback
  • 3. Timeline Dec’10: Intro Jan’11: PC Feb’11: OS Mar’11: Network Data & Voice Apr’11: Server May’11: .NET Jun’11: SAP BASIS Jul’11: SOA & SAP BW Aug’11: SAP MM Sept’11: SAP PS & PP Oct’11: SAP FICO Nov’11: SAP BPC Dec’11: IT Management 2012: Advanced and Applied matters
  • 4. Topics The Wisdoms IT – Technical IT – Management
  • 5. The Wisdom 1  All is created twice:  In Mind  In Reality Study BuildNothing Plan Reality Create Work Innovate Tell To help you “Plan” What is Logaritm for ? What is Math for ? What is Fourier Transform for ?
  • 6. The Wisdom 2  At t=0 S is closed  V(t) = i(t).(R+r) S  Vc(t) = 1/C ∫ i(dt)E C R, r V i(t) E If this is “the plan” What is the reality ? t 0
  • 7. The Wisdom 3 Learn from the Human Body(God, the Maha Guru, speaks not only from The Bible, the Revelation or enlightment)CREATURE lives in its NATURE = space & timeSpace: 1D, 2D, 3D, 4D etc..Time: chronological, freeze, in the past, in the future, balanced, omnipotenceThe composition makes the “character”
  • 8. OTAKHEARTPERUTSELANGKANGANWEAKNESS
  • 9. SKULLRIBSBELLYNONE !!!EXPOSED !!!!
  • 10. OTAK HATIHigherLevel PERUTOf Thinking SELANGKANGAN CENTER OF THINKING
  • 11. OTAK LOGIKA EMOSI HATIHigherLevel PERUT PERUT (Makan)Of Thinking SELANGKANGAN CENTER OF THINKING
  • 12. PhylosophyEthicsClosed, Emotion,Mind, Think, IdeaExposed, Physical,Behaviour
  • 13. Isi Otak(Phylosophy)From the most Physical to the most Logical  Bijaksana  Baik / Jahat (Ethics) BRAINWARE  Open-minded (Attitude)  Berpengetahuan Luas SOFTWARE (Knowledge)  Pinter (Smart) HARDWARE  Kosong (Bodoh)
  • 14. IT - TechnicalBasic computing hardware, software, brainware Diagnosis and troubleshooting high level & low level language  Client Computer / PC (x86) architecture  Network Prosesor: RISC, CISC, x86  Server http://www.brokenthorn.com/Resources/OSDev7.html Server technologies: Processor, memory, storage, network, OS Installation, configuring and upgrading Proc: multi, distributed, cluster, cloud,  Windows workstation Mem: BIOS, PCI, PCI-express, DDR, DDR-2  Windows Server Net: teaming  Unix server Storage: Mirror, RAID 0-5, SAN, DAS, IDE, SCSI, SATA OS: VM, cluster, terminal server RDBMS SQLBasic networking Oracle Topology OSI Layer Cisco Physical .NET Ethernet (CSMA/CD), Token ring SOA TCP/IP Upper layer SAP Other protocols: routed, routing, UDP, SNMP, FTP, TELNET, LDAP,  Basis SMB, RIP, EIGRP, OSPF, BGP, ISIS  MM SMB, NETBEUI, BPDU, SPT,  PP Firewall, Load balancer, NAS, VPN, RAS, PPTP, L2TP, Tunneling,  PS Radio, wireless, wifi, wimax  FICOOperating System fundamentals BW / BI / Cognos Intro SAP BPC Unix Windows
  • 15. IT - Management Configuration Management Problem Management Change Management Project Management Vendor Management BPI SDLC System Analyst Adaptive Infrastructure Internet Infrastructure Management
  • 16. Basic PC ArchitectureFrom The Von Neumann "Stored Program Computer" Concept Personal Note: “My” CMS is based on this architecture designhttp://en.wikipedia.org/wiki/Memory_register http://en.wikipedia.org/wiki/Von_Neuman
  • 17. The Processor (CPU) http://cayfer.bilkent.edu.tr/~cayfer/ctp203/review.html
  • 18. Intel Processor –EvolutionReal Mode 8086 (x86) + FPU/MathCo 8087 16 bit on DOS (PC), 8088 – 16/20 bit, on DOS (PC XT), MEMDISK, Memory Resident Program 80286 + FPU (287) – Protected Mode 16/24 bit, on OS2 / DOS (PC AT) 80386 + FPU (387) – 32 bit, on DOS/Win3x, OS2 80486 – Integrated FPU, on WinNT Pentium – L1 cache, Pipelining, 64/32 bit, WinNT 64 Itanium – L2 cache, multiple proc in 1, WinNT64 dst Die of an Intel 80486DX2 microprocessor (actual size: 12×6.75 mm) in its packaging.http://en.wikipedia.org/wiki/List_of_Intel_microprocessorshttp://www.intel.com/products/processor/index.htm
  • 19. Multitasking
  • 20. Windows Phone 7 stands on multitasking http://gizmodo.com/5512656/how-multitasking-works-in-the-new-iphone-os-40http://technet.microsoft.com/en-us/library/cc767883.aspx
  • 21. CISC vs RISC PROCESSORhttp://fourier.eng.hmc.edu/e85/lectures/instruction/node13.htmlhttp://en.wikipedia.org/wiki/RISC
  • 22. Modern PC Architecture
  • 23. Old design Old design client server New design client New design servernew designclient http://www.inno-logic.com/resourcesPCIE.html
  • 24. portable
  • 25. Isi Otak(Phylosophy)From the most Physical to the most Logical  Bijaksana  Baik / Jahat (Ethics) BRAINWARE  Open-minded (Attitude)  Berpengetahuan Luas SOFTWARE (Knowledge)  Pinter (Smart) HARDWARE  Kosong (Bodoh)
  • 26. Changing role of the BIOS Some operating systems, for example MS-DOS, rely on the BIOS to carry out most input/output tasks within the PC.[9] Larger, more powerful, servers and workstations using PowerPC or SPARC CPUs by several manufacturers developed a platform-independent Open Firmware (IEEE-1275), based on the Forth programming language. It is included with Suns SPARC computers, IBMs RS/6000 line, and other PowerPC CHRP motherboards. Later x86-based personal computer operating systems, like Windows NT, use their own, native drivers which also makes it much easier to extend support to new hardware, while the BIOS still relies on a legacy 16-bit real mode runtime interface. There was a similar transition for the Apple Macintosh, where the system software originally relied heavily on the ToolBox—a set of drivers and other useful routines stored in ROM based on Motorolas 680x0 CPUs. These Apple ROMs were replaced by Open Firmware in the PowerPC Macintosh, then EFI in Intel Macintosh computers. Later BIOS took on more complex functions, by way of interfaces such as ACPI; these functions include: • power management, • hot swapping, • thermal management. Extensible Firmware Interface (EFI) is a specification which replaces the runtime interface of the legacy BIOS. Initially written for the Itanium architecture, EFI is now available for x86 and x86-64 platforms; the specification development is driven by The Unified EFI Forum, an industry Special Interest Group. Linux has supported EFI via the elilo boot loader. The Open Source community increased their effort to develop a replacement for proprietary BIOSes and their future incarnations with an open sourced counterpart through the coreboot and OpenBIOS/Open Firmware projects. AMD provided product specifications for some chipsets, and Google is sponsoring the project. Motherboard manufacturer Tyan offers coreboot next to the standard BIOS with their Opteron line of motherboards. MSI and Gigabyte Technology have followed suit with the MSI K9ND MS-9282 and MSI K9SD MS-9185 resp. the M57SLI-S4 models. Some BIOSes contain a "SLIC", a digital signature placed inside the BIOS by the manufacturer, for example Dell. This SLIC is inserted in the ACPI table and contains no active code. Computer manufacturers that distribute OEM versions of Microsoft Windows and Microsoft application software can use the SLIC to authenticate licensing to the OEM Windows Installation disk and/or system recovery disc containing Windows software. Recent Intel processors (P6 and P7) have reprogrammable microcode. The BIOS may contain patches to the processor code to allow errors in the initial processor code to be fixed, updating the processor microcode each time the system is powered up. Otherwise, an expensive processor swap would be required.[10] For example, the Pentium FDIV bug became an expensive fiasco for Intel that required a product recall because the original Pentium did not have patchable microcode.http://en.wikipedia.org/wiki/BIOS
  • 27. Harddisk Architecture
  • 28. File SystemsFAT: http://technet.microsoft.com/en-us/library/cc776720(WS.10).aspxNTFS: http://technet.microsoft.com/en-us/library/cc781134(WS.10).aspx
  • 29. http://www2.cs.uregina.ca/~hamilton/courses/330/notes/allocate/allocate http://bandwidthco.com/cf.html