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Explain in detail about Operating Systems (OS)
Operating system (OS) is a program which after being initially loaded into computer by a boot program, manages all the other applications/programs. On a PC, first program which runs is stored on a ROM chip. This program checks system hardware to make sure everything is functioning routinely. This checks CPU, memory and basic I/O systems (bios) for errors. If all is satisfactory, BIOS will activate disk drives. When hard drive is activated, OS is found in boot and is then loaded.
Q. What is Effective Address ? The symbol EA (Effective Address) refers to a physical address in a non-virtual memory environment and refers to a register in a virtual memory a
Here are some common development milestones that you should aim for: 1. Send a packet over. Send an acknowledgement back. 2. Have checksum algorithm executed 3. Ability t
Q. What do you mean by Resolution? Resolution is parameter which defines possible sharpness or clarity of a video image. Resolution is defined as number of pixels which make u
what is an input?
Q. What is External Modems? External Modems: Modems externally associated to PC via a parallel or serial port and into a telephone line at the other end. They can generally co
What are the Disadvantages of a VPN implementation The greatest disadvantage of a VPN implementation is its non-flexibility to accept unknown locations. VPN works extremely wel
a. Explain the hardware mechanism for handling multiple interrupt requests. b. What are handshaking signals? Describe the handshake control of data transfer during input and out
For the one who still has no idea about the BIOS on your PC, notice when you first turn on your PC or laptop a few screens pop up. It may be a logo such as DELL or HP or ASUS, Tyan
A certain amount of side tone is essential in telephone communication. Ans: It is true that a specific amount of side tone is necessary in telephone communication.
What are function modules? Function modules are general-purpose library routines that are available system-wide.
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