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MCQs ON TYPES OF OPERATING SYSTEM
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STRUCTURE OF OPERATING SYSTEM
MCQs ON TYPES OF OPERATING SYSTEM
An operating system is a program that acts as an interface between the user and the computer hardware and controls the execution of all kinds of programs
Some popular Operating Systems include Linux Operating System, Windows Operating System, VMS, OS/400, AIX, z/OS, etc.
Types of Operating System
· Batch operating system
· Time-sharing operating systems
· Distributed operating System
· Network operating System
· Real Time operating System
MCQs ON TYPES OF OPERATING SYSTEM
Following are some of important functions of an operating System.
- Memory Management
- Processor Management
- Device Management
- File Management
- Security
- Control over system performance
- Job accounting
- Error detecting aids
- Coordination between other software and users
Memory Management
Memory management refers to management of Primary Memory or Main Memory. Main memory is a large array of words or bytes where each word or byte has its own address.
Main memory provides a fast storage that can be accessed directly by the CPU. For a program to be executed, it must in the main memory.
Processor Management
In multiprogramming environment, the OS decides which process gets the processor when and for how much time. This function is called process scheduling.
Device Management
An Operating System manages device communication via their respective drivers.
File Management
A file system is normally organized into directories for easy navigation and usage. These directories may contain files and other directions.
Keeps track of information, location, uses, status etc. The collective facilities are often known as file system.
Other Important Activities
Following are some of the important activities that an Operating System performs −
- Security − By means of password and similar other techniques, it prevents unauthorized access to programs and data.
- Control over system performance − Recording delays between request for a service and response from the system.
- Job accounting − Keeping track of time and resources used by various jobs and users.
- Error detecting aids − Production of dumps, traces, error messages, and other debugging and error detecting aids.
- Coordination between other softwares and users − Coordination and assignment of compilers, interpreters, assemblers and other software to the various users of the computer systems.
MCQs ON TYPES OF OPERATING SYSTEM
1. Usually, in MSDOS, the primary hard disk drives has the drive letter_______
a) A
b) B
c) C
d) D
Answer: C
2. What is the name of the latest Server Operating System developed by Microsoft?
a) Windows NT
b) Windows 2000
c) Windows XP
d) Windows 2008 R-2
Answer: D
3. Programs are executed on the basis of a priority number in a
a) Batch processing system
b) Multiprogramming
c) Time sharing
d) None of these
Answer: B
4. The primary function of an operating system is
a) Memory Management
b) Process Management
c) Disks and I/O device Management
d) All of the above
Answer: D
5. Which one of the following is not an operating system?
a) UNIX
b) Windows
c) XENIX
d) APPLE
Answer: D
6. Which one of the following is not a function of operating system of PC?
a) Addition and subtraction
b) Control the hardware
c) Provides a platform for application software
d) Interprets the user commands
Answer: A
7. The first version of MS – DOS was released on August 1981, which run on memory.
a) 6 KB
b) 7 KB
c) 8 KB
d) 10 KB
Answer: C
8. What is the Process by which the operating system is loaded into the memory?
a) Booting
b) Processing
c) Loading
d) None of the above
Answer: A
9. Where is ROM-BIOS program located?
a) RAM
b) BROM
c) Hard Disk
d) Compact Disk
Answer: B
10. The core of UNIX operating system is called
a) Kernel
b) Karnel
c) Kannal
d) None of the above
Answer: A
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