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What is computer virus?
A computer virus is a computer program that is designed to spread itself between computers. Computer virus are inactive when standing alone as piece of code, but when placed suitably in a host computer, therefore infecting it and they can become activated and transmit copies of themselves to other accessible machines. Lots of media can transmit viruses, containing internet and transferable disks.
Input Output Techniques: o Interrupt driven o Direct Memory Access (DMA) o Programmed Programmed I/O CPU has control over I/O directly Read/write
A message is a string of bytes that has meaning to the applications that use it Message = Header(s) + Application Data A message having of a header and the attached applicat
What is a serial port? A serial port transfers and receives data single bit at a time.
Explain the types of computer architecture Computer architecture can be divided into three main categories: Instruction Set Architecture, or ISA, is the image of a computing
Expand CPI-C. CPI-C= Common Program Interface Communication.
Differentiate between Hardware and Software Another classification is software vs. hardware. Hardware is the collection of physical components, like chips, wires, PCBs, connect
about java types
What is the File-system security Most commercial servers use a powerful operating system as base that provides good methods of file-system security. Some servers require additi
What is the difference between Synchronous and Asynchronous updates? A program asks the system to perform a particular task, and then either waits or doesn't wait for the task
What factors influences the bus design decisions? 1. Data Location: Device selection, address of data with in device( track, sector etc) 2. Data transfer: Amount, rate to
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