A computer system uses the Banker’s Algorithm to deal with deadlocks. Its current state is shown in the tables below, where P0, P1, P2 are processes and R0, R1, R2 are resource types.
(a) Show that the system can be in this state.
(b) What will the system do on a request by process P0 for one unit of resource type R1?

The correct matching for the following pairs is

List - I
(A) Activation record
(B) Location counter
(C) Reference counts
(D) Address relocation

List - II
(1) Linking loader
(2) Garbage collection
(3) Subroutine call
(4) Assembler

Which two of the following four regular expressions are equivalent?
(i) $${\left( {00} \right)^ * }\left( {\varepsilon + 0} \right)$$
(ii) $${\left( {00} \right)^ * }$$
(iii) $${0^ * }$$
(iv) $$0\,\,{\left( {00} \right)^ * }$$

Let $$L \subseteq \sum {^{^ * }\,} $$ where $$\,\sum { = \,\,\left\{ {a,b} \right\}\,\,} $$ which of the following is true?