A,B,C AND D. All depend on end user uses.
A. sites that connect you to more information on your topic
B. databases that link your topic to available sources
C. indexes on connective materials
D. shortcuts to help you narrow the search field
<u>Explanation:</u>
Boolean connectors are nothing but Boolean operators such as AND, OR, NOT, XOR,IMP, ISNOT , “=”, “>=”, “<>”,”<=” extra.
It all depends up how the end user uses in the programming languages. Normally if Boolean connector returns true value, instruction or set of instruction are used to execute for next core of action in the programming language.
Mostly in any programming language relation operators such as “=”, “>=”,”<=”,” <>” extra with his combination add on logical operators are used such as “And”, “OR” and “NOT” extra.
