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1 CCC MODEL PAPER INFOMAX COMPUTER ACADEMY G. R. Complex Preetam Nagar Prayagraj (Allahabad) U.P. Contact : , (1 ) The primary job of the operating system of a computer is to. A. Command Resources B. Manage Resources C. Provide Utilities D. Be user friendly (2 ) A folder is a set of files and folders (3 ) Which of the following is a presentation graphics software A. MS-Windows B. MS-PowerPoint C. MS-Excel D. MS-Word (4 ) The time taken by the disk arm to locate the specific address of a sector for getting information is called. A. Rotational Latency B. Seek Time C. Search Time D. Response Time (5 ) CPU performance is measured through. A. Throughput B. MHz C. Flaps D. None of the above (6 ) Cryptography technique is used in. A. Polling B. Job Scheduling C. Protection D. File Management (7 ) When a folder is copied to another place, the subfolders in the folder also get copied (8 ) What command is used to save the standard output in a file, as well as display it on the terminal? A. tee B. grep C. cat D. more (9 ) In which directory can you store system user default files used for creating user directories? A. /usr/tmp B. /etc/default C. /etc/skel D. /etc/users (10 ) You can add items to the Start menu of windows

2 (11 ) Real time systems are. A. Primarily used on mainframe computers B. Used for monitoring events as they occur C. Used for program development D. Used for real time interactive users (12 ) To create a directory in DOS use DIR command (13 ) Which of the following is not advantage of multiprogramming? A. Increased throughput B. Shorter response time C. Decreased operating system overhead D. Ability to assign priorities to jobs (14 ) Windows is proprietary software (15 ) The taskbar contains start button, Quick Launch and notification area (16 ) Windows 10 is one of the open source operating system (17 ) A page fault occurs? A. when the page is not in the memory B. when the page is in the memory C. when the process enters the blocked state D. when the process is in the ready state (18 ) Linux is one of the open source operating system (19 ) Which technique was introduced because a single job could not keep both the CPU and the I/O devices busy? A. Time-sharing B. SPOOLing C. Preemptive scheduling D. Multiprogramming (20 ) Windows distinguishes between the different drives by means of a naming convention. Each drive is designated by a letter followed by A. a colon B. an asterisk C. an exclamation point D. a semicolon (21 ) System structure of Linux is A. Microsoft Windows B. Unix C. Window Vista D. Monolithic Kernel (22 ) Inter process communication can be done through. A. Mails B. Messages C. System calls D. Traps

3 (23 ) You can search for a file in Windows even if you know only part of the file name (24 ) The Windows Control panel gives you access to all of your computer settings and enable you to install and remove program (25 ) Which of the following command can you execute to count the number of lines in a file? A. lc B. wc - l C. cl D. count (26 ) Start Button Appear at the Right Bottom of screen by default (27 ) Fetching of an instruction for execution is done by the control unit (28 ) Which file system does DOS typically use? A. FAT16 B. FAT32 C. NTFS D. WNFS (29 ) What command is used to count the total number of lines, words, and characters contained in a file? A. countw B. wcount C. wc D. count p (30 ) DOS is an example of GUI (31 ) Windows is a(n) A. Operating system. B. User interface C. Operating environment. D. Programming platform. (32 ) Pressing F1 is a common way to invoke help in Windows? (33 ) Round robin scheduling is essentially the preemptive version of? A. FIFO B. Shortest job first C. Shortest remaining D. Longest time first (34 ) Title bars at the top most line of a window bar (35 ) DEL command delete a directory in DOS (36 ) Windows distinguishes between the different drives by means of a naming convention. Each

4 drive is designated by a letter followed by A. a colon B. an asterisk C. an exclamation point D. a semicolon (37 ) Which of the following is contained in Process Control Block (PCB)? A. Process Number B. List of Open files C. Memory Limits D. All of the Above (38 ) Main function of shared memory is: A. to use primary memory efficently B. to do intra process communication C. to do inter process communication D. none of above (39 ) Unix Operating System is an. A. Time Sharing Operating System B. Multi-User Operating System C. Multi-tasking Operating System D. All the Above (40 ) The program is known as which interacts with the inner part of called kernel. A. Compiler B. Device Driver C. Protocol D. Shell (41 ) 34 A folder can not contain files as well as sub folders (42 ) A right click on the Windows desktop itself will. A. Open the Display Properties dialog box B. show a context-sensitive menu C. open the Control Panel D. minimize all open applications (43 ) What command is used to remove the directory in linux? A. rdir B. remove C. rd D. rmdir (44 ) While running DOS on a PC, the command that is used to duplicate the entire diskette? A. COPY B. DISK COPY C. CHK DISK D. TYPE (45 ) Linux is proprietary software (46 ) What command do you use to create Linux file systems? A. fdisk B. mkfs C. fsck D. mount (47 ) Command to delete all files and folders is.

5 Powered by TCPDF ( A. Deltree B. Del C. Remove D. CD (48 ) Which of the following characters is allowed in a Windows file name or folder? A. : B.? C. _ D. > (49 ) A right click on the Windows desktop itself will. A. open the Display Properties dialog box B. show a context-sensitive menu C. open the Control Panel D. minimize all open applications (50 ) To use on a computer you need an Operating System (51 ) What command is used to remove files in linux? A. dm B. rm C. delete D. erase (52 ) When you delete an object, windows send it to the Recycle bin (53 ) Recycle bin does not allow you to easily recover deleted files and folders in Windows (54 ) You can not create a new folder on the desktop (55 ) Which windows program do you use to manage folders and files? A. Accessories B. Control Panel C. Explorer D. Office

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