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The following sentences form a paragraph. The sentences P,Q,R and S are not ordered properly.Choose the option that arranges these sentences in the proper order. P.  A person using virtual reality equipment is able to "look around" the artificial world, move around in it, and interact with virtual features or items. Q. Their aim is to simulate a user's physical presence in a virtual or imaginary environment.  R. Current VR technology most commonly uses virtual reality headsets or multi-projected environment.  S. They use sometimes in combination with physical environments or props, to generate realistic images, sounds and other sensations.
Which of the following statements is/are correct? 1. An address generated by the CPU is commonly referred to as a physical address. 2. An address seen by the memory unit is commonly referred to as a logical address. 3. The run-time mapping from virtual to physical address is done by the memory management unit (MMU). Select the correct answer using the code given below.
Run time mapping from virtual to physical address is done by ____________
_______ provides virtual machines, virtual storage, virtual infrastructure, and other hardware assets.
Given below are four statements- (p) The second principal focus of a lens is the position of the object, real or virtual whose image is at infinity. (q) The second principal focus of a lens is the position of the image, real or virtual whose object is at infinity. (r) The first principal focus of a lens is the position of the object, real or virtual whose image is at infinity. (s) The first principal focus of a lens is the position of the image, real or virtual whose object is at infinity.  Examine the above statements and find which among then are correct. 
Your network contains 10 domain controllers, 10 member servers, and approximately 1,000 client computers. All the servers run Windows 2000 Server, and all the client computers run Windows 2000 Professional. Two of the domain controllers act as DNS servers. Users of client computers use file sharing to grant access to files stored locally. The network has 10 subnets and uses TCP/IP as the only network protocol. You want to configure the network so that all computers can resolve the addresses of all other computers by using DNS. Client computers must be able to register and resolve addresses if a server fails. How should you configure the DNS servers?
Which of the following are true? A. Desktop computer is a general-purpose computer made up of a separate monitor, keyboard, mouse and processor unit B. Laptop is where monitor, keyboard, pointing device, processor unit are combined in a single device C. Tablet is a device with a touch screen; which has a virtual keyboard which uses touch screen technology D. Smart Watch is a device that uses CRT technology so that the screen can bend around the wrist E. Mainframe computer runs small application where small data need to be processed Choose the correct answer from the options given below:
An Internet Service Provider (ISP) has the following chunk of CIDR-based IP addresses available with it: 245.248.128.0/20. The ISP wants to give half of this chunk of addresses to Organization A, and a quarter to Organization B, while retaining the remaining with itself. Which of the following is a valid allocation of addresses to A and B?
When device A has a cable that plugs into device B, and device B has a cable that plugs into device C and device C plugs into a port on the computer, this arrangement is called a _________
In _______ the virtual machine simulates hardware, so it can be independent of the underlying system hardware.