True $($T$)$ or False $($F$)(2$ points each$)$

$1.$ Any single $1$ or any group of $1\text{'}$s which can be combined together on a map of function F represents a product term which is called a prime implicant of F $.$

$2.$ OR$-$AND$-$OR circuit means a two$-$level circuit composed of a level of OR gates followed by a level of AND gates followed by an OR gate at the output.

$3.$ If we want a two$-$level circuit containing only NOR gates, we should start with the minimum product$-$of$-$sums form for F instead of the minimum sum$-$of$-$products.

$4.$ A multiplexer has a group of data inputs, and a group of control inputs used to select one of the data inputs and connect it to the output terminal.

$5.$ The decoder generates all the minterms of the three input variables. Exactly one of the output lines will be $1$ for each combination of the values of the input variables.

$6.$ An encoder performs the inverse function of a decoder. If input yi is $1$ and the other inputs are $0,$ then abc outputs represent a binary number equal to i $.$

$7.$ A read$-$only memory $($ROM$)$ consists of an array of semiconductor devices that are interconnected to store an array of binary data.

$8.$ A programmable logic device $($or PLD$)$ is a general name for a digital integrated circuit capable of being programmed to provide a variety of different logic functions.

$9.$ A PLA with $\backslash ($ n $\backslash )$ inputs and $\backslash ($ m $\backslash )$ outputs can realize $\backslash ($ m $\backslash )$ functions of $\backslash ($ n $\backslash )$ variables.

$10.$ The PAL $($programmable array logic$)$ is a special case of the PLA in which the AND array is programmable, and the OR array is fixed.