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Saturday, November 19, 2011

Computer Quiz - 3

1. The essential difference between an operating system like Linux and one like Windows is that:
[A]Windows Can Run With An Intel Processor, Whereas Linux Cannot.
[B]Linux Is Proprietary, Whereas Windows Is Not.
[C]Any Programmer Can Modify Linux Code, Which Is Not Permitted With Windows.
[D]There Are Multiple Versions Of Linux, But Only One Version Of Windows.



2. Which of the following is a correct association between a vendor and an operating system?
[A]Redhat ? Linux
[B]At&T ? Ms Dos
[C]Microsoft ? Unix
[D]Novell ? Linux



3. Which of the following is NOT an advantage of open-source operating systems over proprietary versions?
[A]Free Use And Distribution
[B]Availability Of Technical Support
[C]Availability Of Source Code
[D]Ability To Modify Code



4. Use of icons and windows are characteristic of a ____________ interface.
[A]Command-Driven
[B]Windows-Oriented
[C]Graphical-User
[D]Menu-Driven



5. The ability of an operating system to control the activities of multiple programs at the same time is called:
[A]Multitasking.
[B]Multi-Processing.
[C]Multi-Operating.
[D]Multi-Paging.



6. The operating system controls access to the CPU by assigning a(n) ____________ to each task requiring CPU utilization.
[A]Interrupt Handler
[B]Slices Of Time
[C]Stack
[D]Event



7. When a peripheral device needs immediate attention from the operating system, it generates a(n):
[A]Interrupt.
[B]Spool.
[C]Stack.
[D]Page File.



8. User actions such as keystrokes or mouse clicks are referred to as:
[A]Interrupts.
[B]Tasks.
[C]Events.
[D]Processes.



9. An interrupt handler is a:
[A]Location In Memory That Keeps Track Of Recently Generated Interrupts.
[B]Hardware Device That Manages The Interrupts Generated By Peripheral Units.
[C]Utility Program That Communicates Interrupts To The Operating System.
[D]Special Numeric Code That Indicates The Priority Of An Interrupt.



10. A spooler is a:
[A]Location In Memory That Maintains The Contents Of A Document Until It Prints Out.
[B]Queue Of Print Jobs That Are Waiting To Print.
[C]Program That Coordinates The Print Jobs That Are Waiting To Process.
[D]Message Sent From The Printer To The Operating System When A Print Job Is Completed.



11. Virtual memory is typically located:
[A]In Ram.
[B]In The Cpu.
[C]In A Flash Card.
[D]On The Hard Disk.



12. The purpose of a swap (or page) file is to:
[A]Maintain Pages Of Documents That Are Being Spooled To The Printer.
[B]Hold A Program’S Data Or Instructions In Virtual Memory When It Can’T Fit In Ram.
[C]Prevent Thrashing In A Multi-Tasking Environment.
[D]Allow Multiple Print Jobs To Print Their Pages Out Simultaneously.



13. Thrashing is caused by:
[A]Over-Reliance On Swapping To Virtual Memory.
[B]Insufficient Hard Disk Space.
[C]Too Many Processors Being Managed By The Operating System.
[D]Inaccurate Information Stored In The Registry.



14. Communication between the operating system and a peripheral device such as a CD-ROM drive or a printer is facilitated by a(n):
[A]Spooler.
[B]Network Card.
[C]Device Driver.
[D]Application Program Interface.



15. Common functions and routines that need to be executed by many computer programs can be made available via a(n) ____________, which prevents the necessity for programmers to duplicate the effort of writing the same type of code.
[A]Utility Program
[B]System Kernel
[C]Bios Directory
[D]Application Program Interface



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