Question1) Answer all the questions.
(i) Write down difference between analog & digital computer.
(ii) What is universal serial bus?
(iii) Explain switch and switch circuit.
(iv) Distinguish between LCD & CRT monitor.
(v) Differentiate cache memory & virtual memory.
Question2) Prove the following:-
(i) a + (b + b1) + b =1
(ii) (a + b. c)1 a1 (b1 + c1)
(iii) a. (b .c) . c1 =0
Question3) What do you mean by operating system. Explain 5 key function of operating system.
Question4) Briefly explain the following:-
(i) Cache memory & its type
(ii) RISC & CISC characteristics
Question5) Answer all the questions.
(i) What do you mean by expansion card?
(ii) What is the difference between motherboard & daughterboard?
(iii) Differentiate between system software & application software.
(iv) What is real time operating system?
(v) Write down the difference between syntax & execution error?
Question6) What is a micro processor? Write a brief note on evolution of microprocessor in detail.
Question7) Define logic gate? Describe the circuit of each gate with truth table.
Question8) Describe 5 internal & 5 external commands in DOS.