Question

physical structure of computer is called
1- software
2-hardware
3- humanware
4- none of these

Answer 1

Physical structure means the outer part of something but in terms of computer, the outer parts of the computer are known as hardware.

Shortened as HW, Hardware is best portrayed as any physical segment of a PC framework that contains a circuit board, ICs, or different gadgets. An immaculate case of equipment is the screen on which you review this page. Regardless of whether it be a PC screen, tablet or cell phone; it's equipment. 
With no equipment, your PC would not exist, and programming couldn't be utilized. The photo is a Logitech webcam, a case of an outer equipment fringe. This equipment gadget enables clients to take recordings or pictures and transmit them over the Internet.

Answer 2

Physical structure is the external visible parts of anything that is considered. In case of a computer, it refers to the collection of physical components that constitute the entire computer system. It may include monitor, keyboard, mouse, joystick, UPS, data cable, pen drives, etc., computer data storage, graphic card, sound card, disks, disk drives, display screens, keyboards, printers, boards, and chips. motherboard, and so on. All of these are are tangible objects and can be touched and are visible to the naked eye.