Doubtly
@Doubtly · Joined Feb 2021
- Answers
- 3,792
- Questions
- 7,778
- Upvotes received
- 432
- Draw a helix of pitch equal to 70 mm on a cylinder of 60 mm diameter Answer: Divide the circumference and the pitch into the same number of equal parts (say 12) and join the points where the matching projector... 1
- A wheel of 56 mm diameter rolls downwards on avertical wall for half revolution and then on the horizontal floor
- Which hydrocarbon possess carcinogenic property ? Benzene is the hydrocarbon said to possess carcinogenic property. 1
- Building your own business is the best way to become rich. Then you can begin investing in other assets Building your own business is the best way to become rich. Then you can begin investing in other assets 1
- Write a program in HTML for the following output ask your question 1
- You are going to speak in your school assembly convincing junior students Good morning Respected Principal , teachers and all my dear friends, I , Hardik , am here to talk to you about "the spirit of giving". It is... 1
- Explain the Dulong’s formula The theoretical calculation of calorific value of a fuel can be approximately calculated by Dulong's formula, based on the percentage of the... 1
- Give a brief account of proximate analysis of coal . In this analysis moisture, volatile matter, ash and fixed carbon can be determined. Moisture: A known amount of finely powdered air-dried co... 1
- what is Calorie ? it is the amount of heat required to raise the temperature of 1 gram of water through one degree centigrade. 1
- Characteristics of Good Fuel i) Fuel should have high calorific value. ii) Must have moderate ignition temperature. iii) Fuel should have low moisture content. iv) Avail... 1
- Write a program in C++, to check if the given number is a prime number . #include <iostream> using namespace std; int main() { int i, n; bool is_prime = true; cout << "Enter a positive integer: "; cin >> n; // 0 a... 1
- Write a program in C++, to count the number of words in a line of text #include <iostream> #include <string> using namespace std; int main() { string line; int count = 0; cout << "Enter a line of text: "; getlin... 1
- In terms of GUI, what is window? Explain in short various operations performed on a window. In graphical user interface (GUI) design, a window is a rectangular area on the screen that displays the output of an application or program... 1
- Device drivers are ____________ i) Software programs ii) Viruses iii) Scanners iv) Devices used to run CD Device drivers are _ Software programs 2
- Time taken to adjust the appropriate sector under read /write head in disk is called as ____________ Time taken to adjust the appropriate sector under read /write head in disk is called as Latency time. 1
- Concentric circles on disk surface are known as ____ Concentric circles on disk surface are known as Tracks . 2
- In Magnetic tapes __________ access method is used. i) Direct ii) Random In Magnetic tapes Sequential access method is used 2
- _______ is a free operating system. i) Unix ii) Linux iii) Mac OS iv) MS Windows Linux is a free operating system. 2