Answer Happy

1. (CLO 1)in the octal numbering system O a. the base is 8 b. the set of numbers is: {0, 1, 2, 3, 4, 5, 6, 7, 8) O c. adding one to the highest numeral gives F d. all of the above II. (CCO 1 1100111110100001, = O a. CFA116 O b. EDB316 C. F9B516 d. None of the above III. (CCO Which of the Boolean expressions below is correct? O a. (XY)'= X'+Y b. (XY)'= X'Y OC. (XY)'= (X+YY d. (XY)= X Y + X Y IV. (CCO S Which of the following is a Boolean function in the form of Sum Of Minterms (SOM)? O a. Flx.y, z) = xy + y 2 + x y z O b. F(x,y,z) = (x + y)(x + 2)(y + 2)(y + 2) c. F(x,y, 2) = xyz + xyz + xyz d. None of the above V. оооо (CLO A multiplexer of 8 data input lines has a. 8 control lines, b. 8 control lines. c. 3 control lines d.one carry out

VI. (CLO 6 AD Flip-Flop O a. has one data input and one clock input O b.can be used to implement Registers and memories O c. has no invalid input conditions d. all of the above VII. (CLO 4) A byte addressable 4K x 16 memory needs O a. 12 bits of address. O b.22 bits of address. C. 10 bits of address. d. 13 bits of address. VIII. (CLO 2) A 5 GHz processor has a clock cycle time of O a. 1 ns. b.20 ns. C. 0.2 ns. d.5 ns. IX. (CLO4 The cache memory O a. is faster than the main memory b. is located between the RAM and the CPU. c. memory cells are usually build using latches or flip-flops. d. all answers are correct. X (CCO3. A computer system in general O a. has a fetch, decode and execute steps in its instruction execution cycle. b.executes the instructions of a program sequentially c. mainly consists of a CPU, memory and I/O system. d. all of the above.