MCQOPTIONS
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MCQOPTIONS
This section includes 713 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science Engineering (CSE) knowledge and support exam preparation. Choose a topic below to get started.
| 701. |
what is the use of exec command |
| A. | command that can be used to write files in shell scripts |
| B. | command that can be used to read files in shell scripts |
| C. | command that can be used to open files in shell scripts |
| D. | all of the above |
| Answer» D. all of the above | |
| 702. |
Unix os was first rewritten in C in |
| A. | 1971 |
| B. | 1972 |
| C. | 1973 |
| D. | 1974 |
| Answer» D. 1974 | |
| 703. |
what is the relationship of a filename to its inode |
| A. | one to one |
| B. | one to many |
| C. | many to one |
| D. | many to many |
| Answer» D. many to many | |
| 704. |
Among the directory entries inode and file contents which will be changed when a file is updated |
| A. | only inode |
| B. | only inode and file contents |
| C. | only directory entry and file contents |
| D. | none of the above |
| Answer» C. only directory entry and file contents | |
| 705. |
What is minor device number |
| A. | it tells the device driver function what actual physical device it is talking |
| B. | it tells the device driver functionwhat actual physiacl device it is talking to and i/0 buffernig scheme to be used for reading |
| C. | it tells the device driver functionwhat actual physical device it is talking to and i/0 buffernig scheme to be used for writing |
| D. | it tells the device driver functionwhat actual physiacl device it is talking to and i/0 buffernig scheme to be used for data transfer |
| Answer» E. | |
| 706. |
What is directory hierarchy ? |
| A. | it is an organizational structure in which directories can contain files and other sub directories |
| B. | it is an organizational structure in which directories can contain only files |
| C. | it is an organizational structure in which directories can contain only sub directories |
| D. | it is an organizational structure in which directory contains only one level |
| Answer» B. it is an organizational structure in which directories can contain only files | |
| 707. |
While providing a text processing system for the patent department at bell labs,the unix system was moved to in 1971 |
| A. | pdp-6 |
| B. | pdp-7 |
| C. | pdp-9 |
| D. | pdp-11 |
| Answer» E. | |
| 708. |
How many line are there are in the result of date command |
| A. | three |
| B. | one |
| C. | two |
| D. | five |
| Answer» C. two | |
| 709. |
Which of the following is used to write disk block images from memory to disk |
| A. | stty |
| B. | cmd |
| C. | sync |
| D. | clri |
| Answer» D. clri | |
| 710. |
What does OSS stand for |
| A. | open system software |
| B. | original source software |
| C. | open source software |
| D. | original system server |
| Answer» D. original system server | |
| 711. |
The game program,"space travel"for GECOS system was written in |
| A. | basic |
| B. | cobol |
| C. | fortran |
| D. | vb |
| Answer» D. vb | |
| 712. |
What is major device number ? |
| A. | it is an index to the kernel table that contains the address of all device driver functions known to the system |
| B. | it is an index to theuser process table that contains the address of all device driver functions known to the system |
| C. | it is an index to the kernel table that contains the address of all files |
| D. | it is an index to the kernel table that contains the address of all directories |
| Answer» B. it is an index to theuser process table that contains the address of all device driver functions known to the system | |
| 713. |
What is an internal command in Unix ? |
| A. | commands that are executed directly by the kernel |
| B. | commands that are executred directly by the shell |
| C. | commands that are executed directly by shell and kernel |
| D. | commands will have a process id running for it |
| Answer» C. commands that are executed directly by shell and kernel | |