Paint and image-editing software, such as Adobe Photoshop, generate bitmap images (not to be confused with the Photoshop Bitmap color mode), also called raster images. The images use a grid of small squares, known as pixels, to represent graphics.
Inflamed tonsils. Tonsillitis is most often caused by common viruses, but bacterial infections can also be the cause. The most common bacterium causing tonsillitis is Streptococcus pyogenes (group A streptococcus), the bacterium that causes strep throat.Other strains of strep and other bacteria also may cause tonsillitis.onsillitis is most often caused by common viruses, but bacterial infections can also be the cause.
Bacterial Skin Infections. Bacterial skin infections are usually caused by gram-positive strains of Staphylococcus and Streptococcus or other organisms. Common bacterial skin infections include: 1  Cellulitis causes a painful, red infection that is usually warm to the touch.acteria that cause food poisoning include: 1  Campylobacter jejuni (C. 2  jejuni) is a diarrheal illness often accompanied by cramps and fever. 3  Clostridium botulinum (C. botulinum) is a potentially life-threatening bacterium that produces powerful neurotoxins.