comprehensive annual maintenance contract for computers & attached its peripherals in barc - 1 personal computer ( as an amount to cover servicing / repairing / replacing of its hard disk, motherboard, processor, memory, smps, all add–on–cards, dvd rom / dvd writer, keyboard, mouse, monitors & all types of cables ) . 2 laptop ( as an amount to cover servicing / repairing / replacing of its hard disk, mother board, processor, memory, powersupply, battery, dvd combo / dvd writer, key pad, mouse pad display and all types of cables and adapters. 3 laser jet printer ( as an amount to cover servicing / repairing / replacing all its mechanical, electronic, electrical, electromechanical parts and all types of cables & adapters ) . 4 ink jet / deskjet printer ( do ) 5 dot matrix printer ( do ) 6 multi-functional device ( printer / scanner / fax / copier ) ( do ) 7 scanner ( do )