Features of Lenovo Ideapad 100-15IBD NotebookGeneral Utility Everyday Use Type Notebook Display Screen Size 15.6 Inch Resolution 1366 x 768 Pixels Processor Processor Brand Intel Processor Core i3 Variant 5005U Memory RAM 4 GB RAM Type DDR3 Storage Hardware Interface SATA Hard Disk Capacity 500GB Optical Disk Drive Optical Drive CD/DVD writer Platform Operating System DOS System Architecture 64 bit Communication Ethernet Yes Wireless LAN Yes Bluetooth Yes Power Battery Backup Upto 4.5 hours