The invention of computer os none of the greatest wonders of modern science. It has became an inseparable part of our life. At presen, a modern man cannot go without a compute. Ever year, a computer fair is held IDB Bhaban, Agargao. Bangladesh Computer Samity (BCS) arrages this fair. I paid a visit to the fair this year alone with my brother and friend. I visited different stalls where compute, laptop and other parts were put on display for sale.Finally I bought a laptop and came back. This type of fair is essential for all.