$1\mathrm{.}1.$ With the help of a diagram, explain all the phases of a compiler.

$1\mathrm{.}2.$ Discuss any two error recovery methods$/$strategies in syntax analysis.

$1\mathrm{.}3.$ Define the lexeme and give an example

$1\mathrm{.}4.$ Consider the line of code: $Z$:$=x^{**}y+x$

$1\mathrm{.}5\mathrm{.}1$ Create the tokens returned by the lexical analyzer.

$1\mathrm{.}5\mathrm{.}2$ Perform the semantic analysis.

$1\mathrm{.}5\mathrm{.}3$ Generate an intermediate code.

$1\mathrm{.}5\mathrm{.}4$ Optimize your code.

$1\mathrm{.}5\mathrm{.}5$ Generate the final code