CompTIA A+ Notes

basic input output system or BIOS

BIOS actually stands for Basic Input Output System  BIOS works as operator of computer and configure it  BIOS is located in Motherboard of the computer  as   firmware  how to determine current version of firmware : in windows command like ; msin [view]

By: dibes | Related Lesson: BIOS - Basic Input Output System | Modified: June 17, 2016

About BIOS

Firmware–controls the bios and needs update. Flashing the BIOS. Before flashing the BIOS. -determine the current version (MSINFO32 & DXDIAG) -find update of the BIOS -secure power [view]

By: kiseka | Related Lesson: BIOS: Component Information | Modified: June 16, 2016

civerry

1. [view]

By: mebratumatewos | Related Lesson: About Anthony Harris | Modified: June 16, 2016

INSTALL AND CONFIGURE EXPANSION CARDS

sound cards video cards network cards wireless cards modem cards(phone) storage cards(external) tv tuner cards video capture cards SLOTS FOR EXPANSION CARDS PCI: PCI-X: AGP: ALWAYS CHECK -slots -check MOBO capabilities -adapter card documentation(che [view]

By: pilferpwnage | Related Lesson: Install & Configure Expansion Cards | Modified: June 16, 2016

dimm v simm

dimm-dual inline memory memory; two groups of memory that can be accessed independently(newer) simm- single inline memory module; one group of memory that can be accessed, may have 2 sets of pins so it may try to simulate working as two groups(older) [view]

By: pilferpwnage | Related Lesson: DIMM vs SIMM | Modified: June 16, 2016

error checking

ecc- error checking code diagnosis and attempt to repair errors slower memory pairity-takes first 8 bits and adds a 9th bit for pairity(error checking) [view]

By: pilferpwnage | Related Lesson: Error Checking | Modified: June 16, 2016

RAAM

ram=working space sram-static ram l1, l2, l3 cache on the cpu stores sram dynamic ram(dram)- ram you stick into motherboard and can upgrade etc, needs too be refreshed and recharged(dram) sdram- synchronous dynamic ram, stays in sync with computers c [view]

By: pilferpwnage | Related Lesson: RAM | Modified: June 16, 2016

ID

Battery : CMOS-Constant Power to CMOS Memory. BIOS gives component information. Computer: start f2  RAM : which slots , which type etc. Hard Drive Optical Drive CPU [view]

By: kira~apra | Related Lesson: BIOS: Component Information | Modified: June 16, 2016

who is anthony harris

who is anthony harris? system administrator mantains labs for educatioonal emviroment  teaches IT       [view]

By: dibes | Related Lesson: About Anthony Harris | Modified: June 16, 2016

Notes Day 1

BIOS-Basic I/O system Firmware: Permanent Software which directly controls a hardware. Sometimes need update. Shouldn’t be corrupted. Flash means Update. MSINFO32 DXDIAG For checking current BIOS. Then go to BIOS UPDATE , at DELL , Service Tag. [view]

By: kira~apra | Related Lesson: BIOS - Basic Input Output System | Modified: June 16, 2016

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