MCQOPTIONS
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MCQOPTIONS
This section includes 839 Mcqs, each offering curated multiple-choice questions to sharpen your C++ Programming knowledge and support exam preparation. Choose a topic below to get started.
| 701. |
It is not the layer of the Operating system. |
| A. | Kernel |
| B. | Shell |
| C. | Application program |
| D. | Critcal Section |
| Answer» E. | |
| 702. |
Supervisor state is only allowed to ? |
| A. | Utility Softwares |
| B. | Application Softwares |
| C. | Operating System |
| D. | Guest User |
| Answer» D. Guest User | |
| 703. |
A critical region |
| A. | is a piece of code which only one process executes at a time |
| B. | is a region prone to deadlock |
| C. | is a piece of code which only a finite number of processes execute |
| D. | is found only in Windows NT operation system |
| Answer» B. is a region prone to deadlock | |
| 704. |
The higher versions of operating systems are so written that programs designed for earlier versions can still be run. What is it called ? |
| A. | Up gradiability |
| B. | Upward mobility |
| C. | Universality |
| D. | Upward Compatibility |
| Answer» E. | |
| 705. |
In which of the following usually a front end processor is used ? |
| A. | Virtual storage |
| B. | Timesharing |
| C. | Multiprogamming |
| D. | Multithreading |
| Answer» C. Multiprogamming | |
| 706. |
Which of the following is always there in a computer ? |
| A. | Batch system |
| B. | Operating system |
| C. | Time sharing system |
| D. | Controlling system |
| Answer» C. Time sharing system | |
| 707. |
Which is not an Operating System ? |
| A. | Windows 95 |
| B. | Windows 2000 |
| C. | MS-DOS |
| D. | Firefox |
| Answer» E. | |
| 708. |
Which operating system reacts in the actual time |
| A. | Batch system |
| B. | Quick response system |
| C. | Real time system |
| D. | Time sharing system |
| Answer» D. Time sharing system | |
| 709. |
Macintosh computer uses |
| A. | System 7.0 |
| B. | AU/X |
| C. | Xenix |
| D. | none of above |
| Answer» C. Xenix | |
| 710. |
Which technique is used by operating systems to execute several programs concurrently by switching back and forth |
| A. | Partitioning |
| B. | Multitasking |
| C. | Windowing |
| D. | Paging |
| Answer» D. Paging | |
| 711. |
Multiprogramming systems |
| A. | Are easier to develop than single programming systems |
| B. | Execute each job faster |
| C. | Execute more jobs in the same time |
| D. | Are used only on large main frame computers |
| Answer» D. Are used only on large main frame computers | |
| 712. |
Which is single user operating system |
| A. | MS-DOS |
| B. | UNIX |
| C. | XENIX |
| D. | LINUX |
| Answer» B. UNIX | |
| 713. |
In real time OS, which is most suitable scheduling scheme |
| A. | round robin |
| B. | FCFS |
| C. | pre-emptive scheduling |
| D. | random scheduling |
| Answer» D. random scheduling | |
| 714. |
When did IBM released the first version of its disk operating system DOS version 1.0 ? |
| A. | 1981 |
| B. | 1982 |
| C. | 1983 |
| D. | 1984 |
| Answer» B. 1982 | |
| 715. |
Which is not a function of Kernel ? |
| A. | Process management |
| B. | Memory management |
| C. | File system management |
| D. | All of Above |
| Answer» E. | |
| 716. |
For multiprogramming operating system |
| A. | special support from processor is essential |
| B. | special support from processor is not essential |
| C. | cache memory is essential |
| D. | none of above |
| Answer» C. cache memory is essential | |
| 717. |
Who is called a supervisor of computer activity ? |
| A. | CPU |
| B. | Operating system |
| C. | Control unit |
| D. | Application Program |
| Answer» C. Control unit | |
| 718. |
Software is a program that directs the overall operation of the computer, facilitates its use and interacts with the user. What are the different types of this software ? |
| A. | Operating system |
| B. | Language Compiler |
| C. | Utilities |
| D. | All of the above |
| Answer» E. | |
| 719. |
Multi-programming systems ________. |
| A. | Are easier to develop than single programming systems |
| B. | Execute each job faster |
| C. | Execute more jobs in the same time |
| D. | Are used only on large main frame computers |
| Answer» D. Are used only on large main frame computers | |
| 720. |
Multiprocessing ________. |
| A. | Make the operating system simpler |
| B. | Allows multiple processes to run simultaneously |
| C. | Is completely understood by all major computer vendors |
| D. | Allows the same computer to have the multiple processors |
| Answer» E. | |
| 721. |
The kernel of the operating system remains in the primary memory because ________. |
| A. | It is mostly called (used) |
| B. | It manages all interrupt calls |
| C. | It controls all operations in process |
| D. | It is low level |
| Answer» B. It manages all interrupt calls | |
| 722. |
The technique, for sharing the time of a computer among several jobs, which switches jobs so rapidly such that each job appears to have the computer to itself, is called ________. |
| A. | Time Sharing |
| B. | Time out |
| C. | Time domain |
| D. | Multitasking |
| Answer» B. Time out | |
| 723. |
Routine is not loaded until it is called. All routines are kept on disk in a relocatable load format. The main program is loaded into memory & is executed. This type of loading is called _________ . |
| A. | Static loading |
| B. | Dynamic loading |
| C. | Dynamic linking |
| D. | Overlays |
| Answer» D. Overlays | |
| 724. |
A __________ is a software that manages the time of a microprocessor to ensure that all time critical events are processed as efficiently as possible. This software allows the system activities to be divided into multiple independent elements called tasks. |
| A. | Kernel |
| B. | Shell |
| C. | Processor |
| D. | Device Driver |
| Answer» B. Shell | |
| 725. |
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 |
| Answer» C. Provide Utilities | |
| 726. |
What is the first step in performing an operating system upgrade ? |
| A. | Partition the drive |
| B. | Format the drive |
| C. | Backup critical data |
| D. | Backup old operating system |
| Answer» D. Backup old operating system | |
| 727. |
Which operating system use write through catches |
| A. | UNIX |
| B. | XENIX |
| C. | ULTRIX |
| D. | DOS |
| Answer» E. | |
| 728. |
A hardware device which is capable of executing a sequence of instructions, is known as |
| A. | CPU |
| B. | ALU |
| C. | CU |
| D. | Processor |
| Answer» E. | |
| 729. |
Which process is known for initializing a microcomputer with its OS |
| A. | cold booting |
| B. | boot recording |
| C. | booting |
| D. | warm booting |
| Answer» D. warm booting | |
| 730. |
Dijkstra's algorithm deals with |
| A. | mutual exclusion |
| B. | deadlock recovery |
| C. | deadlock avoidance |
| D. | cache coherence |
| Answer» D. cache coherence | |
| 731. |
Logical extension of multiprogramming of operating system is |
| A. | time sharing |
| B. | multi tasking |
| C. | single programing |
| D. | both a and b |
| Answer» E. | |
| 732. |
Remote computing services involves the use of timesharing and |
| A. | multiprocessing |
| B. | interactive processing |
| C. | batch processing |
| D. | real time processing |
| Answer» D. real time processing | |
| 733. |
A program at the time of executing is called ________. |
| A. | Dynamic program |
| B. | Static program |
| C. | Binded Program |
| D. | A Process |
| Answer» E. | |
| 734. |
Which of the following will determine your choice of systems software for your computer ? |
| A. | Is the applications software you want to use compatible with it ? |
| B. | Is it expensive ? |
| C. | Is it compatible with your hardware ? |
| D. | Both 1 and 3 |
| Answer» E. | |
| 735. |
What is a shell ? |
| A. | It is a hardware component |
| B. | It is a command interpreter |
| C. | It is a part in compiler |
| D. | It is a tool in CPU scheduling |
| Answer» C. It is a part in compiler | |
| 736. |
If you don't know which version of MS-DOS you are working with, which command will you use after booting your operating system ? |
| A. | Format command |
| B. | FAT command |
| C. | VER command |
| D. | DISK command |
| Answer» D. DISK command | |
| 737. |
The operating system manages ________. |
| A. | Memory |
| B. | Processor |
| C. | Disk and I/O devices |
| D. | All of the above |
| Answer» E. | |
| 738. |
The Hardware mechanism that enables a device to notify the CPU is called __________. |
| A. | Polling |
| B. | Interrupt |
| C. | System Call |
| D. | None of the above |
| Answer» C. System Call | |
| 739. |
Dual mode operating system of computer system has operations of |
| A. | 1mode |
| B. | 2modes |
| C. | 3modes |
| D. | 4modes |
| Answer» C. 3modes | |
| 740. |
UNIX was initially developed at |
| A. | Bell Labs |
| B. | Nasa Labs |
| C. | Microsoft Labs |
| D. | Kaspersky Labs |
| Answer» B. Nasa Labs | |
| 741. |
Win32 application programming interfaces of operating system is for |
| A. | windows |
| B. | Unix |
| C. | Linux |
| D. | Solaris |
| Answer» B. Unix | |
| 742. |
Which file system does DOS typically use ? |
| A. | FAT16 |
| B. | FAT32 |
| C. | NTFS |
| D. | WNFS |
| Answer» B. FAT32 | |
| 743. |
The term " Operating System " means ________. |
| A. | A set of programs which controls computer working |
| B. | The way a computer operator works |
| C. | Conversion of high-level language in to machine level language |
| D. | The way a floppy disk drive operates |
| Answer» B. The way a computer operator works | |
| 744. |
The program is known as _________ which interacts with the inner part of called kernel. |
| A. | Compiler |
| B. | Device Driver |
| C. | Protocol |
| D. | Shell |
| Answer» E. | |
| 745. |
The operating system of a computer serves as a software interface between the user and the ________. |
| A. | Hardware |
| B. | Peripheral |
| C. | Memory |
| D. | Screen |
| Answer» B. Peripheral | |
| 746. |
Routine is not loaded until it is called. All routines are kept on disk in a relocatable load format. The main program is loaded into memory & is executed. This type of loading is called _________ |
| A. | Static loading |
| B. | Dynamic loading |
| C. | Dynamic linking |
| D. | Overlays |
| Answer» D. Overlays | |
| 747. |
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 |
| Answer» E. | |
| 748. |
Identify the odd thing in the services of operating system. |
| A. | Accounting |
| B. | Protection |
| C. | Error detection and correction |
| D. | Dead lock handling |
| Answer» D. Dead lock handling | |
| 749. |
Cryptography technique is used in ________. |
| A. | Polling |
| B. | Job Scheduling |
| C. | Protection |
| D. | File Management |
| Answer» D. File Management | |
| 750. |
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 |
| Answer» D. Ability to assign priorities to jobs | |