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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. Sequential Execution of Instructions in RISC? Let's describe pipelining in RISC with an illustration program execution sample. Take the given program (R denotes register).
What is overflow, underflow case in single precision(sp)? Underflow-In SP it means that the normalized representation needs an exponent less than -126. Overflow-In SP it mea
MsgBox is a built in VB function which shows a Message Box and MsgBoxQ is a function definite by the user.
Explain about the Acoustic tablet Acoustic (or sonic) tablet use sound waves to detect a stylus position. Either strip microphones or point microphones can be used to detect th
A full size keyboard has distance between centres of keycaps (keys) like 19mm (0.75in).The keycaps have a top of nearly 0.5in (12.5in) that is shaped as a sort of dish to help you
Explain all the categories that are served by Common Control switching. Common Control Switching System: It is a functional block diagram of a common control switching system i
Give explanation about the use of SSL to secure the network. SS L stands for Secure Sockets Layer is a protocol developed through Netscape for transmitting private document
Define Edge Triggered D flip-flop? D latch has only two inputs C(control) and D(data). The operation of a D flip-flop is a lot simpler and it has only one input addition to the
Minimize the following logic function using K-maps and realize using NAND and NOR gates. F(A,B,C,D) =?_m(1,3,5,8,9,11,15) + d(2,13).
Explain the term- Viruses Use of firewalls and ant-virus software to prevent viruses entering a computer. It's also sensible not to open attachments/emails from "unknown" sourc
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