26. The FIFO algorithm A. executes first the job that last entered the queue B. executes first the job that first entered the queue C. execute first the job that has been in the queue the longest D. executes first the job with the least processor needs E. None of […]
Following questions have been asked in GATE 2009 CS exam. 1) In the following process state transition diagram for a uniprocessor system, assume that there are always some processes in the ready state: Now consider the following statements: I. If a process makes a transition D, it would result in […]
Which of the following is/ are the part of operating system? A) Kernel services B) Library services C) Application level services D) All of the above The system of …………… generally ran one job at a time. These were called single stream batch processing. A) 40’s B) 50’s C) 60’s […]
1. If there are multiple recycle bin for a hard disk a. you can set different size for each recycle bin b. you can choose which recycle bin to use to store your deleted files c. You can make any one of them default recycle bin d. None of above […]
1) Which of the following special shell variables is used to process number of the last background job? a. $! b. $# c. $0 d. $* 2) Which option will be used with ps command to slow the entire command line of the process being run? A. -4 B. -f […]
1) Which of the following keys is used to move the cursor to the end of the paragraph } { | $ 2) The command which transcribes the standard input to the standard output and also makes a copy of the same in a file is […]
1. The statement z=’expr 5/2’ would store in z a value a. 2.5 b. 3 c. 2 d. 0 2. The expression expr -7 % 2evaluates to a. 1 b. -1 c. -3.5 d. 0 3. The expression expr -2 % 7 evaluates to a. 2 b. -2 c. 0 […]
1. When we are executing a shell script the shell acts as a. An interpreter b. A compiler c. An operating system d. None of the above 2. On executing a statement set -3+1 a. $1 would be -3 b. $1 would be – c. $1 would be set d. […]
1) If the user has read a news item he cannot read it again because of creation of the file _news_time news.time .news.time .news_time 2) To read the stale news the option available is news –a Delete the file /usr/news Delete the file _news.time Delete the file […]
1) Which of following commands do not belong to multiple file editing commands :n! :q! :rnew! All the above 2) The difference between the commands ps –e and ps –a is Ps –e gives details of every process running in memory whereas ps –a gives output for […]