Operating System

31.Underlined character on the menu or dialog box known as-
a.
b.
c.Pane
d.

Option “B” is correct.
Underlined character on the menu or dialog box known as hot key. A hot key is a key or a combination of keys on a computer keyboard that, when pressed at one time, performs a task (such as starting an application) more quickly than by using a mouse or other input device. Hot keys are sometimes called shortcut keys. Hot keys are supported by many operating system and applications.
32.Which key deletes text before, or to the left, of the insertion point?
a.PageUp
b.Delete
c.PageDown
d.BackSpace

Option “D” is correct.
To delete text to the left of the insertion point, press the backspace key. Each time you press and release the backspace key the insertion point moves back one space. The space, or the character occupying it, is deleted.
33.The chunks of a memory are known as-
a.Sector
b.Offset
c.Page
d.Frame

Option “D” is correct.
It is the smallest unit of data for memory management in a virtual memory operating system. Similarly, a page frame is the smallest fixed-length contiguous block of physical memory into which memory pages are mapped by the operating system.
34.Start / restart the computer is called-
a.Exit
b.Run
c.Option
d.Boot

Option “D” is correct.
A warm boot (also called a “soft boot”) is the process of restarting a computer. It may be used in contrast to a cold boot, which refers to starting up a computer that has been turned off. Warm boots are typically initiated by a “Restart” command in the operating system.
35.Which file is transferred when computer is start up?
a.Document
b.
c.
d.

Option “D” is correct.
A system file in computers is a critical computer file without which a computer system may not operate correctly. These files may come as part of the operating system, a third-party device driver or other sources. Microsoft Windows and MS-DOS mark their more valuable system files with a “system” attribute to protect them against accidental deletion.
36.The ……. contains commands associated with the My Computer window.
a.
b.
c.
d.

Option “C” is correct.
The System menu contains commands associated with the My Computer window. The Android System Settings menu allows you to control most aspects of your device everything from establishing a new Wi-Fi or Bluetooth connection, to installing a third-party onscreen keyboard, to adjusting system sounds and screen brightness.
37.
……. is the layer of a computer system between the hardware and the user program.
a.
b.
c.
d.

Option “B” is correct.
Operating system is the layer of a computer system between the hardware and the user program. For the most part, the IT industry largely focuses on the top five OSs, including Apple Mac OS, Microsoft Windows, Google’s Android OS, Linux Operating System, and Apple I OS.
38.
Which is the layer of a computer system between the hardware and the user program?
a.
b.
c.
d.None

Option “B” is correct.
Operating system is the layer of a computer system between the hardware and the user program. For the most part, the IT industry largely focuses on the top five OSs, including Apple Mac OS, Microsoft Windows, Google’s Android OS, Linux Operating System, and Apple I OS.
39.When you start up the computer the boot up storage at which the BIOS versions manufacturer and data are displayed on the monitor is called-
a.Bootstrap
b.
c.
d.

Option “B” is correct.
When power is turned on, POST (Power-On Self-Test) is the diagnostic testing sequence that a computer’s basic input/output system (or “starting program”) runs to determine if the computer keyboard, random access memory, disk drives, and other hardware are working correctly.
40.The operating system is the most common type of …… Software.
a.Communication
b.Application
c.System
d.

Option “C” is correct.
The operating system is the most common type of system software. System software is computer software designed to provide a platform to other software. Examples of system software include operating systems, computational science software, game engines, industrial automation, and software as a service application.
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