For which of the following flip-flop the output clearly defined for all combinations of two inputs?

A simple flip-flop

• [A] is 2 bit memory
• [B] is 1 bit memory
• [C] is a four state device
• [D] has nothing to do with memory

Which of the following expressions is in the sum-of-products (SOP) form?

• [A] AB + CD
• [B] AB(CD)
• [C] (A + B)(C + D)
• [D] (A)B(CD)

The output of an OR gate is LOW when ________.

• [A] all inputs are LOW
• [B] any input is LOW
• [C] any input is HIGH
• [D] all inputs are HIGH

In the decimal numbering system, what is the MSD?

• [A] The middle digit of a stream of numbers
• [B] The digit to the right of the decimal point
• [C] The last digit on the right
• [D] The digit with the most weight

Register is a ?

• [A] Set of capacitor used to register input instructions in a digital computer
• [B] Set of paper tapes and cards put in a file
• [C] Temporary storage unit within the CPU having dedicated or general purpose use
• [D] Part of the auxiliary memory