SSC CHSL GK Questions 2026

World Population Day is observed on 11 July, a date chosen by the United Nations because the population of the world was estimated to have crossed five billion on that day in 1987.

National Doctors Day is observed in India on 1 July because that date is both the birth anniversary and the death anniversary of Dr Bidhan Chandra Roy, the physician who became Chief Minister of West Bengal and received the Bharat Ratna.

Spooling stands for simultaneous peripheral operations on line. The operating system writes the data meant for a slow device into a queue on the disk and lets the processor go on with other work, while the device picks jobs out of that queue at its own pace.

A word processor is written to do a job the user wants done, namely to create, edit, format and print a document, so it belongs to application software.

A real time system is judged not only by whether it gives the right answer but by whether it gives that answer inside a fixed deadline.

An interpreter reads one statement of the high level program, translates it into machine code and executes it immediately before moving to the next statement.

A warm boot, also called a soft boot, is the restarting of a computer that is already running, usually through the restart option of the operating system or a reset key combination.

The extended file system family, of which ext4 is the widely used member, was written for Linux and is the default arrangement for storing and naming files on a Linux disk.

Deadlock is the state in which every process in a set is waiting for a resource that another process in the same set is holding, so none of them can ever move forward without the operating system stepping in.

UNIX was developed in 1969 at Bell Laboratories by Ken Thompson and Dennis Ritchie, and it became the model for almost every multi user operating system that followed.

In Round Robin scheduling every ready process is given the processor for a fixed period called the time quantum, and when that period expires the process is moved to the back of the queue and the next one is served.

Firmware is software written permanently into a read only memory chip at the time of manufacture.

The kernel is the central part of the operating system and is the portion that is loaded at boot time and stays resident in main memory for as long as the computer is running.

Joothan is the autobiography of Omprakash Valmiki and is regarded as a landmark of Dalit writing in Hindi. It records the humiliations of caste that the writer faced in school and at work, and the title itself refers to the leftover food that his community was expected to accept.

Walter Isaacson wrote the authorised biography of Steve Jobs, the co-founder of Apple, after a long series of interviews with him.

Unbreakable is the autobiography of the boxer Mary Kom from Manipur, and it describes her early life in a farming family, her training, her world championship titles and her return to the ring after becoming a mother.

India Divided was written by Rajendra Prasad, who later became the first President of India, and it examines the demand for partition and the arguments made on either side.

The Diary of a Young Girl is the diary kept by Anne Frank while her family was in hiding in Amsterdam during the Second World War.

Sanjaya Baru served as media adviser to Prime Minister Manmohan Singh and wrote The Accidental Prime Minister as an insider's account of those years.

Playing It My Way is the autobiography of Sachin Tendulkar and was published shortly after he retired from international cricket.