_______________ is the central component of a computer operating system. Kernel Terminal Hardware __________ is a pointing device composed of a lever that moves in multiple directions to navigate a cursor or other graphical object on a computer screen. Light Pen Joystick Optical scanner . ____________ is also input device which are used to control the movement of object on the screen. Keyboard Optical Card Reader Gamepad __________ is a technique used by spammers in which spammers generate email addresses by using known email addresses from corporates or ISP. Junk Tags Domain Spoofing Directory Harvesting _______________ performs the task of allocation and deallocation of memory space to program. Process Management Memory Management Device management Who invented looping in computer programming? Lady Ada Lovelace John Atanstoff John Napier _____________________ device detects alpha numeric characters printed or written in a paper. Optical character reader Bar code reader Plotter ____________ filter scans the context of the e-mail when it looks for words or character strings that will identify the e-mail as spam. Junk Tags Navies Bayes spam Poisoning In how many ways e-mail hacking can be done? Six Five Three CPU chips are composed of __________ functional section. five four seven You got out of 10 correct. The correct answers are
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