Hard real time operating system is one that must operate within the predictable deadline otherwise it is considered to have failed. Which of the following is NOT an example of such system?
A Aircraft control systems
B Anti-lock braking systems
C Automobile engine control systems
D Internet telephony systems
Which of the following are the two main technologies used by inkjet printer manufacturers to form the droplets of ink?
(i) Thermal DOD
(iv) Intelligent Interweaving
A Only (i)
B Both (ii) and (iii)
C Both (i) and (ii)
D All of these
Explain the terms above... (i) and (ii)
It was a digital mechanical calculator invented by a German mathematician and philosopher. It was the first calculator that would perform all four arithmetic operations. Identify the device.
B Stepped Reckoner
C Jacquard's loom
D Difference engine
Please give more details...
Which of the following statements hold(s) true about keys of keyboard?
Statement 1: , and keys appear twice on a standard keyboard.
Statement 2: and are navigation keys.
A Only Statement 1
B Only Statement 2
C Both Statement 1 and Statement 2
D Neither Statement 1 nor Statement 2