## 6. Binary-Coded-decimal (BCD) numbers express each digit as a _____

## 7. Computers use thousands of flip-flops. To coordinate the overall action, a common signal called the _____ is sent to each flip-flop.

## 8. Conversion of decimal number 93_{10} to hexadecimal number is

_{10}to hexadecimal number is

## 9. Conversion of decimal number 99_{10} to it's octal number equivalent is

_{10}to it's octal number equivalent is

## 10. The 2's compliment of binary number 0.01011 is:

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