Punjab 9th Class Computer Science Chapter 4 Data Communication Mcqs Test Online Computer Science Chapter 4 Data Communication Mcqs Test Online 9th Class Punjab 12345678910 Question 1 of 10Computer Science 1. In which type of data transmission start/stop bits are used? Satellite transmission Microwave transmission Asynchronous transmission Synchronous transmission Question 1 of 10Question 2 of 10 2. Which of the following device forwards information from one network to another by selecting the best pathway available? Dial-up modem Router Access pointSwitch Question 2 of 10Question 3 of 10 3. In which of the following impairment, the strength of signal falls off with distance? Attenuation Cross talk Noise Distortion Question 3 of 10Question 4 of 10 4. Which of the following transmission media uses light waves for transmitting information? Telephone line Fibre optic cable Coaxial cable Twisted pair cable Question 4 of 10Question 5 of 10 5. Which of the following impairment refers to undesired signals that enter the path of the transmitted signal due to electromagnetic radiation? Noise Attenuation Distortion Cross talk Question 5 of 10Question 6 of 10 6. What represents the overall data transmission capacity of a computer network? Signal strength Baud rateData rate Bandwidth Question 6 of 10Question 7 of 10 7. Which of the following is used for short distance communication? Microwave Satellite communicationRadio signals Infra-red Question 7 of 10Question 8 of 10 8. Which of the following device is used for connecting computers together in wired local area network? Switch Access pointDial-up modem Router Question 8 of 10Question 9 of 10 9. Which of the following device is used for connecting computers together in wireless local area network? Dial-up modem Access point Switch Router Question 9 of 10Question 10 of 10 10. In which of the following transmission, the time interval between the characters is always the same? Synchronous transmission Asynchronous transmission Microwave transmission Satellite transmission Question 10 of 10 Loading... Test By Subject Punjab Test By Topics 9th Class Computer You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.