Answer:
Thomas Savery and Edward Somerset.
Explanation:
Answer:
The correct answers are c. can contain special characters d. is case-sensitive
Explanation:
Variable can be referred to as a container used for storing values such as numeric values, memory addresses, characters, character string so it can be used in any part of the program. Every programming language has rules that you must strictly follow while naming a variable, and some of the rules for naming variable in PHP are A variable name can contain letters, numbers, and characters after the first character and A variable name is case sensitive.
Answer: Translator
Explanation:
each instruction written by programmer in another language must be converted (translated) to machine language in order to process, because computer understand only machine language( 0 and 1). that is translator.
A- overusing highlights lowers the contrast and degrads the effect of the highlights.
Answers:
Lever- a rigid bar resting on a pivot, used to help move a heavy or firmly fixed load with one end when pressure is applied to the other
Pulley- a wheel with a grooved rim around which a cord passes. It acts to change the direction of a force applied to the cord and is chiefly used (typically in combination) to raise heavy weights
Wheel and axle- a simple lifting machine consisting of a rope which unwinds from a wheel on to a cylindrical drum or shaft joined to the wheel to provide mechanical advantage.
Inclined plane- a plane inclined at an angle to the horizontal.
Wedge- a piece of wood, metal, or some other material having one thick end and tapering to a thin edge, that is driven between two objects or parts of an object to secure or separate them.
Screw- a short, slender, sharp-pointed metal pin with a raised helical thread running around it and a slotted head, used to join things together by being rotated so that it pierces wood or other material and is held tightly in place.
<em>hope this helps :)</em>
