Smart cards today store a relatively small amount of data (typically ____) that can be used for payment or identification purposes.

Another name for bots is ________

Fill in the blank(s) with correct word

Answer the following statements true (T) or false (F)

1. One drawback of sign-magnitude representation is that there are two representations of 0. 2. Both sign-magnitude representation and twos complement representation use the most significant bit as a sign bit. 3. It is not necessary for the ALU to signal when overflow occurs. 4. Overflow can only occur if there is a carry. 5. Compared with addition and subtraction, multiplication is a complex operation, whether performed in hardware of software.