This question was asked in PSC Examination for Oil Corporation in 2016. You can view question paper.0 sharesShare0Share +10Tweet0What is an operating System?An operating system is a collection of system programs that manages all the other programs (i.e, application programs) in … [Read more...]
Windows Common Tasks – Operating Systems
Finding Files or Folders and Saving the Result As a PC’s hard disk fills up, it can become harder to find the files and folders you need. But Windows provides several ways to find files and folders. There isn't one best way to search—you can use different methods for different situations. … [Read more...]
Command Line Operations – Operating Systems
DOS is almost extinct. People hardly use MS-DOS to operate their computers anymore. Even the syllabus of Computer Operator has removed the MS-DOS section and replaced with Command-Line Operations. Command Line Operation is performing some actions from DOS Prompt. However, it will be harder for you … [Read more...]
Windows 10 Keyboard Shortcut Keys – New!
Post: Windows 10 Keyboard Shortcut Keys - Windows 10 released with some new features and it has offered a set of new shortcut keys to operate this version of Windows. Here, in this post I'm going to list them.Windows 10 Keyboard Shortcut Keys1. virtual desktops Windows 10 now supports … [Read more...]
Windows Accessories – Operating Systems
Windows operating system ships with some handy applications known as Windows accessories. Calculator, Notepad, Paint, Explorer, WordPad are some of the most frequently used accessories.Apart from above mentioned applications, Windows has a few tools for Ease of Access and some System Tools. … [Read more...]
An Introduction to Operating Systems
Your computer can have an expensive motherboard, the fastest processor, lots of memory, and superior graphics, but it is completely useless without an operating system (OS). Every computer must have one. What is the operating system? You can look at it as being the “middle man”. Application software … [Read more...]
180 Windows 8 Shortcuts
Keyboard shortcuts: Keyboard shortcuts are combinations of two or more keys that you can use to perform a task that would typically require a mouse or other pointing device. Keyboard shortcuts can make it easier to work with your PC, saving you time and effort as you work with Windows and other … [Read more...]
GUI & Windows – Operating Systems
The new syllabus of Computer Operator Examination of Public Service Commission (PSC) puts more weight on operating system and requires you to learn about GUI, Elements of Windows, File Management, Windows Explorer, Windows Applications, Finding files and folders, Changing Windows Settings and Using … [Read more...]
Multiprogramming and Multitasking in Simple Words
Let me attempt to distinguish multi-programming and multi-tasking in simple words here.We were discussing in a Facebook Group about various questions related to Computer Operator exam preparation. Candidates are really enthusiastic and curious about various aspects of the prescribed syllabus. … [Read more...]
A Computer Cannot Boot if it does not have the:
Question: A Computer Cannot 'Boot' if it does not have the:Options: a. Compiler b. Loader c. Operating System d. AssemblerExplanation:The role of Compiler is to convert user programs so that computer can execute them. It has nothing to do in booting process.A loader is the part … [Read more...]
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