“Bit Twiddling” C has operators that treat operands simply as sequences of bits Q: Why do bit level operations in C (or any language)? A#1: lets you pack information as efficiently as possible A#2: …

A number system having only 2 digits is called a binary number system. We also sometimes say that the decimal number system is base 10 and the binary number system is base 2. We say that each …

Bits are copied intact even though sign of variable is different!! Works when going from unsigned to signed too! To get the type of shift we want, we can first assign (or cast) to the type of integer we …

A priori, any string of bits is an “allowed” message Hence any changes to the bits (bit errors) the sender transmits produce “allowed” messages Therefore without error control, receiver wouldn’t know errors …

Feb 23, 2019 · How can we set the value of a bit to 0 (clear)?

Block or message level : recognize the start and end of each large unit of data (in networks this is a frame). A fundamental requirement of digital data communications is that the receiver knows the …

May 9, 2024 · How can we determine the value of just 1 bit in a binary word? If we want to know the value of bit 3 (e) we can bitwise-AND the value with another word with just bit 3 set to 1