Options: Multiplexers are designed to accept data from several I/O devices and transmit a unified stream of data on one communication line., HDLC is a standard synchronous communication protocol., RTS/CTS is the way the DTE indicates that it is ready to transmit data and the way the DCE indicates that it is ready to accept data., RTS/CTS is the way the terminal indicates ringing
Options: a single program is processed by two or more CPUs, two or more programs are stored concurrently in primary storage, only the active pages of a program are stored in primary storage, interprogram interference may occur
Options: A sequence is an object that generates a sequential series of unique numbers., Sequences are most often used to provide values for surrogate keys., NextVal and CurrVal are both sequence methods., Sequences guarantee valid surrogate key values.
Options: converting digital signals to analog signals, converting analog signals to digital signals, combining many low speed channels into one high speed channel, dividing the high-speed signals into frequency bands
Options: An electron that has been freed from its parent atom, An electron that costs nothing, An electron that has no electrical charge, An electron that has twice the amount of charge of a normal electron
Options: to recognize the major constructs of the language and to call the appropriate action routines that will generate the intermediate form or matrix for these constructs, to build a literal table and an identifier table, to build a uniform symbol table, to parse the source program into the basic elements or tokens of the language