The hasNext() method of the Iterator interface has a return value of:

YACC uses the formal model of ______ for semantic content of a program.

Fill in the blank(s) with the appropriate word(s).

Answer the following statements true (T) or false (F)

1) Hardware refers to the instructions that command computers to perform actions and make decisions. 2) The re regular-expression module provides pattern-based text manipulation in Python. 3) The ALU provides temporary storage for data that has been entered through the input unit. 4) Software systems called batches manage the transition between jobs. 5) Assemblers convert high-level language programs to assembly language at computer speeds.