| 141 |
A student conducts a survey of classmates to find their favourite sport. The data collected is |
Computer Science/Informatics Practices
Collecting and organising data |
Easy |
| 142 |
Which of the following is an example of structured data? |
Computer Science/Informatics Practices
Collecting and organising data |
Easy |
| 143 |
A researcher uses rainfall figures published by a government department for a study. What kind of data is thi… |
Computer Science/Informatics Practices
Collecting and organising data |
Medium |
| 144 |
Which statement correctly distinguishes data from information? |
Computer Science/Informatics Practices
Collecting and organising data |
Medium |
| 145 |
A shop's billing software stores wrong prices for several items, and the monthly profit report it produces is… |
Computer Science/Informatics Practices
Collecting and organising data |
Hard |
| 146 |
What is the median of 3, 7, 7, 2, 9, 1? |
Computer Science/Informatics Practices
Statistical measures |
Easy |
| 147 |
What is the range of the data 12, 5, 19, 8, 15? |
Computer Science/Informatics Practices
Statistical measures |
Easy |
| 148 |
The data set 2, 4, 4, 4, 5, 5, 7, 9 has mean 5. What is its standard deviation (using division by n)? |
Computer Science/Informatics Practices
Statistical measures |
Medium |
| 149 |
Which measure is the value that occurs most frequently in a data set? |
Computer Science/Informatics Practices
Statistical measures |
Medium |
| 150 |
Every student's marks in a test are increased by 5 as grace marks. What happens to the mean and the standard … |
Computer Science/Informatics Practices
Statistical measures |
Hard |
| 151 |
Which measure of central tendency is least affected by a few extreme values? |
Computer Science/Informatics Practices
Interpreting data |
Easy |
| 152 |
A value that lies far away from the other values in a data set is called |
Computer Science/Informatics Practices
Interpreting data |
Easy |
| 153 |
Monthly salaries (in thousand rupees) in a small office are 12, 15, 11, 14 and 98. Which value best represent… |
Computer Science/Informatics Practices
Interpreting data |
Medium |
| 154 |
Two players have the same average score over ten matches, but player P has a much smaller standard deviation … |
Computer Science/Informatics Practices
Interpreting data |
Medium |
| 155 |
Data shows that ice cream sales and the number of people swimming both rise in the same months. Which conclus… |
Computer Science/Informatics Practices
Interpreting data |
Hard |
| 156 |
Which mode of communication allows data to flow in both directions, but only one direction at a time? |
Computer Science/Informatics Practices
Communication concepts |
Easy |
| 157 |
In which unit is the data transfer rate of a channel usually measured? |
Computer Science/Informatics Practices
Communication concepts |
Easy |
| 158 |
How long does it take to send a 96 megabit file over a link with a data transfer rate of 12 Mbps? |
Computer Science/Informatics Practices
Communication concepts |
Medium |
| 159 |
In which switching technique is a dedicated path reserved between sender and receiver for the entire session? |
Computer Science/Informatics Practices
Communication concepts |
Medium |
| 160 |
Which statement about packet switching is correct? |
Computer Science/Informatics Practices
Communication concepts |
Hard |