check bits are needed if the Hamming error correction code is used t

Using the SEC-DED Hamming code given in class (for 4 bit words), determine whether there is no error, an error in one bit, or an error in two bits for the following 8 bit word fetched from memory. If there is an error in one bit, indicate which bit is in error.               0011 1011

Perform the following conversions: Decimal number -91 to 8 bit two’s complement representation Decimal number -398 into 16-bit two's-complement representation

In single precision (IEEE-754 standard), 8 bits are used for storing the exponent (the bias is 127), and 23 bits are used for storing the mantissa.  (a) What are the smallest and the largest positive numbers that can be stored in single precision? (b) What is the smallest value of the mantissa that can be stored?

"Rabenstein code was used to send a message with 4 information bits, you receive 100110001 , if you can expect at most one bit of corruption, what were the original information bits?