Here - 1000 BiT

error trapPart of a program which checks for mistakes in information which the user has entered,or checks to see if computed results are within reasonable bounds.executeTo run a program or to perform a single command or statement.expressionA portion of a statement which has a single value,See value. Examples:either a number or a string.7*X+1"DOPE " N$A$ 4- "HAT"FALSEThe number 0. See logic, TRUE, assertion.fork in the roadDescribes a branch point in the program. See branch.functionBASIC has a number of functions built in. Each function has a name followed byparentheses. In the parentheses are one or more arguments. The function has a singlevalue (numeric or string) determined by its arguments. See value, argument. Thefunctions treated in this book areASC, CHR$, INT, LEN, RND, LEFTS, MID$,RIGHTS, STRS, VAL, TAB, PEEKgarbageA random mess of characters in memory. Usually due to human or machine error.graphicsMeans picture drawing.indexAn array name is followed by one or more numbers or numerical variables in parentheses.Each number is an index. Another word for index is subscript.Q(7,J]+ 7and J are indicesintegersThe whole numbers, positive, negative and zero.I/OInput/Output. Input from keyboard, tape recorder, etc. Output to screen, printer, taperecorder, etc.199