Sujeet Kumar

Pur­pos­es of Porta­bles PCs are You can use portable PCs while trav­el­ing, at home or any oth­er place of choice. Portable PCs are wide­ly used in var­i­ous fields such as sci­ence, edu­ca­tion and busi­ness. Types of Portable PCs The dif­fer­ent types of portable PCs are: Lap­tops busi­ness Note­books Sub­note­books Palm­tops Tablet PC Net­book Impor­tant Points and […]

Impor­tant Points About BIOS and CMOS BIOS is a soft­ware or firmware that enables you to start the sys­tem. BIOS runs the pow­er-on self-test (POST) when the sys­tem starts, to ensure that all the hard­ware con­nect­ed to the sys­tem are work­ing prop­er­ly. To enter into the BIOS, you will need to press the right key when

Impor­tant Points About Input /output ports and Devices  A port is used to con­nect the sys­tem and a device together,using a con­nect­ing cable.  The ports have dif­fer­ent shapes and sizes that pre­vent you from con­nect­ing a device to the wrong port. A ser­i­al port sends and receives one bit of data at a time. The par­al­lel port transmits

What is Assem­bling a PC ? Ans. Assem­bling a com­put­er involves installing and con­fig­ur­ing var­i­ous com­po­nents in a sys­tem case. Assem­bling a com­put­er includes the fol­low­ing steps: Install Case fan Install SMPS Install Proces­sor on moth­er­board Install Heat sink Install Moth­er board Install Mem­o­ry mod­ules install Hard dri­ve Install CD/DVD ROM Dri­ve Install con­nec­tors and cables Install Expan­sion cards Con­nect the key Board Con­nect the Mouse

What is Com­put­er Mon­i­tor ? Ans. A mon­i­tor is like a tele­vi­sion that dis­plays text and graph­ics on the screen. Types and Clas­si­fi­ca­tion of Mon­i­tors are : Ans. Mon­i­tors are clas­si­fied based on the tech­nol­o­gy that they use to dis­play iMages as the Cath­ode Ray Tube (CRT), Liq­uid Crys­tal Dis­play (LCD), Thin Film Transse(TFT), and LED. Impor­tant Points

The main input devices of a com­put­er are the key­board and the mouse. The key­board is used to type text and enter com­mands. The present day key­boards have 101 or more keys. Cord­less key­boards that run on bat­ter­ies pro­vide ease of use. The dif­fer­ent types of key­boards are: 101-key enhanced key­boards 102-key enhanced key­boards 104-key Win­dows key­board Multimedia

What is Opti­cal Disk Dri­ve (ODD) ? Ans. Opti­cal disk dri­ves (ODD) can read and write data from and to an opti­cal disks What are the Dif­fer­ent ODD ? Ans. Dif­fer­ent Opti­cal Disk Dri­ves are: CD Dri­ve DVD Dri­ve Blu-ray Dri­ve Impor­tant Points About ODD are : Com­pact discs (CD) are opti­cal stor­age devices used to store and dis­trib­ute various

What is Hard Disk Dri­ve (HDD) ? Ans. A hard disk is a sec­ondary and per­ma­nent data stor­age device. What are the types of HDD ? Ans. Hard disks are of two types depend­ing upon how it is con­nect­ed to the sys­tem. Inter­nal Hard Disk Dri­ves Exter­nal Hard Disk Dri­ves Impor­tant Points About Hard Disk Dri­ve (HDD)

What is Switched-Mode Pow­er Sup­ply (SMPS) ? Ans. The pow­er sup­ply unit sup­plies pow­er to the dif­fer­ent sys­tem com­po­nents such the moth­er­board and the device dri­ves. How many Types of Con­nec­tors required in SMPS ? Ans. There are 5 types of con­nec­tors. ATX pow­er con­nec­tors 24 pin SMPS con­nec­tors Stan­dard periph­er­al pow­er con­nec­tors (Molex) SATA pow­er connectors

Moth­er­board  What is Moth­er­board ? The moth­er­board is a print­ed cir­cuit board that is the most impor­tant part of the Sys­tem. Every com­po­nent of the sys­tem con­nects to the moth­er­board direct­ly or indi­rect­ly. Types of Moth­er­board The dif­fer­ent types of moth­er­board are:  Desk­top moth­er­board Serv­er moth­er­board Lap­top moth­er­board Impor­tant Points About Moth­er­board The lead­ing man­u­fac­tur­ers of