The answer is "Slide Sorter view". Some of the online courses say that all words must be spelled correctly and in the correct order, so if you don't have exactly what they want they will mark it as "wrong".
MYbe show a picture next time so we can see what the problem is about ?
Answer:
A computer is a machine that can be programmed to carry out sequences of arithmetic or logical operations automatically. Modern computers can perform generic sets of operations known as programs. These programs enable computers to perform a wide range of tasks. A computer system is a "complete" computer that includes the hardware, operating system (main software), and peripheral equipment needed and used for "full" operation. This term may also refer to a group of computers that are linked and function together, such as a computer network or computer cluster