convert number 1111012 = ?16 
Step 1: Divide the binary digits into groups 0f four starting from the right
0011 1101
Step 2 Convert each group into a hexadecimal digit
00112 = 0 x 23
 + 0x22
 + 1 +21 + 1x20 = 310 = 316 
112 = 1x 23
 + 1x22
 + 0 +21 + 1x20 = 1310 = 1316 
Converting Binary Number to Hexadecima Number Data Communications
?Data communications are the exchange of data between two devices via some form of nsmission medium such as a wire cable or wireless.?Delivery -> Correct destination
?Accuracy -> Accurate data
?Timelines -> Real-time transmis Data Communications
?ln simplex transmission ,mode communication Can take place in only one .direction
?An example is TV ,Waves we Can watch different channels on TV but there is no need 
to send any type of signals from TV. Another example is line printer
?Telecommunication refers to long-distance communication.The term data refers to information displayed in any way that the parties creating 
and using the data agree on. 
?Full-duplex  Data Transmission Modes
?There are three modes of communication
?lt means the sender will always send & the receiver will always
?A half-duplex System Can transmit data in both ,direction but only in one direction at a 
time
?Text
?Images
?Audio
?Simplex
?Half-duplex
?Simplex
?Half-Duplex
??Numbers
?Video
Data flow 
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