Questions

Mutex is a program object that allows multiple program threads to share the same resource, such as file access, but not simultaneously. When a program is started a mutex is created woth a unique name. After this stage, any thread that needs the resource must lock the mutex from other threads while it is using the resource. the mutex is set to unlock when the data is no longer needed or the routine is finished.

Mongolia

Tennis rackets and ballpoint pens are two independent goods. Since, one doesn't depend on the other.

"Humidity" refers to the presence of water vapor in the atmosphere. It is measured in either relative terms (relative humidity) or absolute terms (dewpoint temperature).Humidity indicates the likelihood for precipitation, dew, or fog to be present.

Among the given options, Tata Steel company received the award as one of the 2019 World’s Most Ethical Companies.

PIN (Postal Index Number) was introduced in INDIA on August 15, 1972. This is the coding system used by postal services of India for different areas. Totally in our country there are 9 divisions, of which 8 are geographical & 9th is reserved to army.

The error is in third part. “unease” is wrong expression because it is in noun form. Correct usage will be “with growing “uneasiness”, which is an adjective qualifying wait. Which means as time passed while I waited, I grew more and more uneasy.