TRUE or FALSE Questions 2 marks each 1. The duration of one cycle is called the period of the sine wave 2. The frequency of a wave is the number of cycles it completes in a single second..... 3. A gateway ensures that data from an individual network is not compatible with the wider world of the internet. 4. The IP address of the destination computer is then added to each piece as part of a header, to make an IP packet. 5. Each gateway puts another header on the packet, as well as adding more bits to the end (a trailer). This process is called segments...... 6. Protocol is the general term given to rules and formats that control the exchange of data between computers on a network... 7. IPv4 has 64 bits 8. IPv6 address is 16 bytes so it is equal to 3.41038 9. Ethernet addresses are 48 bits long and are written normally in hexadecimal....... 10. When testing. If the program fails a test, then: you have virus.......

Convert (1336) to the decimal base? 14 Marks] b. Express the following in exponential notation. [3 marks] 0.001 =( ) 0.0000001= ( ) c. For 4 seconds of single-channel (mono) storage, suppose that each sound sample requires 2 bytes of storage, and that an additional 44 bytes are needed for format information about the sound. If the sampling rate is 44100 samples per second, what is the size of the file you would expect? [3 marks] Question 2 [12 marks] 1- Define the following terms:[6 marks] Hearing thresholds reverberation parallel lists 2- There are three methods are used to detect and correct errors in WIFI technology list them [6 marks]