The time for which a piece of equipment operates is called Access time Seek time Effective time Real time None of these TRUE ANSWER : ? YOUR ANSWER : ?
The working principles of today's computers were provided by an English mathematician Ken Reider None of these Donald Reach Charles Babbage Dr. Hollerith TRUE ANSWER : ? YOUR ANSWER : ?
General purpose computer are those that can be adopted to countless uses simply by changing its- Input device Output device Processor Program TRUE ANSWER : ? YOUR ANSWER : ?
Hardware or software designed to guard against unauthorized access to a computer network is known as a(n): Firewall Hacker-proof program Encryption safe wall Hacker-resistant server TRUE ANSWER : ? YOUR ANSWER : ?
Who coordinates the sequencing of events within the central processor of a computer? Logic unit Register Control unit None of these Arithmetic unit TRUE ANSWER : ? YOUR ANSWER : ?
What is the name of the display feature that highlights areas of the screen which require operator attention? Pixel Cursor Touch screen Reverse video None of these TRUE ANSWER : ? YOUR ANSWER : ?
Pictures or drawings, typically displayed on a VDU to allow users to select program options is called Icons Graphics Network None of these HIPO charts TRUE ANSWER : ? YOUR ANSWER : ?
An essential difference between the operating system that runs a typical desktop computer and the operating system that runs a typical PDA is that ....... the desktop OS has a graphical user interface whereas the PDA OS does not. the desktop computer has an OS whereas a PDA does not. the desktop OS can run several programs simultaneously whereas the PDA OS cannot. the desktop OS manages hardware resources whereas the PDA OS does not. None of these TRUE ANSWER : ? YOUR ANSWER : ?
Any type of storage that is used for holding information between steps in its processing is Internal storage Intermediate storage CPU Primary storage None of these TRUE ANSWER : ? YOUR ANSWER : ?