What does 80 120 mean?

In a computer, 80 and 120 are two very important numbers, which are usually used to set the parameters of screen resolution. 80 is the number of columns in a text column, which means that a maximum of 80 characters can be displayed per line. And 120 is the width of the screen, which is often used in some software that needs to process a lot of data. These two numbers are the basic concepts in computer technology and the necessary knowledge points for programmers and computer enthusiasts.

In photography, 80 and 120 also have special meanings. 80 usually refers to the ISO value of film sensitivity, representing the camera sensitivity. And 120 is an old film specification, which is rarely used at present. However, in the field of photography, 120 is still related to high-quality medium format cameras and films. Some photographers think that 120 has excellent texture and can reflect the unique image style.

In engineering design, 80 and 120 usually refer to the size of parts. 80 generally refers to smaller dimensions such as diameter or width, while 120 is used to describe larger dimensions such as length and height. In automobile, aviation, machinery and other fields, 80 and 120 are important numbers, which require engineers to master the requirements of different sizes in the design and production process to ensure that the products have standard sizes and functions.