A block and tackle system has two movable and two fixed pulleys. If the efficiency is 100 %, calculate the Mechanical Advantage of
the system.

There are 5 types of computers.

Explanation:(1)Super computer: are the fastest and expensive computer.super computer can do trillion calculations in every second.

(2)Mainframe: are similar to the super computers all use raw power focus on few tasks.

(3)Server computer: is a central computer that contain of collection data and program.

(4)Personal computer: is also known as a microcomputer.personal computer is all around can  be used as productivity tool.

(5)Work station: are expensive computers and more complex and are intended one user at a time.

the four types of computers are;

answer(igmp);

solution:

bookmark is a word, symbol, image, or other object that links you to another element in another location.

bookmark is a saved shortcut that directs your browser to a specific webpage. it stores the title, url, and favicon of the corresponding page. saving bookmarks allows you to easily access your favorite locations on the web.

it works in all modern web browsers include bookmark features. bookmarks are called favorites or internet shortcuts in internet explorer, and by virtue of that browser's large market share, these terms have been synonymous with bookmark since the first browser war.