Your keyboard normally does't get locked. Please specify what do you mean by lock. Are the letter keys not working or other keys like F1 and F2. If taking letter keys are locked then mostly iys a chance that your keyboard has gone bad or dead either due to liquid spill or fall from a … Read more

Email is basically Electronic Mail. Its like sending a mail or letter virtually rather then waiting for the postman to deliver the letter. It's Advantages: 1) Faster Delivery Mostly Instant. 2) Easy to Access and reply instantly 3) No paper wastage 4) Easy to store and retrieve 5) No Clutter on your work or home … Read more