QUESTION 17 A computer is called a von Neumannn device because O a. The data and code are stored in the same memory system b. The data and program are stored in the same cpu system O c. The data and code are stored in the same register O d. All of the above QUESTION 18 In the AND gate, If one input is A and the other is B output C is true if and only if O a. inputs A and B are both 1 b. inputs A or B are both o C. outputs A and B are both 1 O d.outputs A and B are both o QUESTION 19 What type of machine to construct a computer uses signals and rods? a. Electronical and Electro-mechanical b. Mechanical and Electro-mechanical C. Mechanical and Electronical O d. All of the above QUESTION 20 When hardware is engaged by the program to perform a wide range of activities it is known as: a. Specific Purpose Computer b. General Purpose Computer c. Moore's Law d. Von Neumannn computer