What is a desktop and personal computer also called?

Answer: Micro Computer – Desktops and personal computers (PCs) are microcomputers – they use a single microprocessor as the CPU.

What is current?

Answer: Flow of Electrons – Electric current is the flow of electrons through a conductor, measured in amperes.

What are the two types of graphical terminal?

Answer: Vector and Raster mode – Graphical terminals work in two modes – vector mode (draws lines) and raster mode (draws pixels).

Which is an arm lift back pressure method?

Answer: Nelson's method – Nelson's (Holger Nielsen) method of artificial respiration uses arm-lift and back-pressure on a person lying face down.

What is the full form of SSD?

Answer: Solid State Drive – SSD = Solid State Drive – storage with flash memory chips and no moving parts, faster than HDD.

What is the full form of ALU?

Answer: Arithmetic-Logic Unit – ALU = Arithmetic Logic Unit – the part of the CPU that does calculations and logical comparisons.

What is the purpose of expansion slot in mother board?

Answer: To insert the additional peripherals – Expansion slots let you add extra cards (graphics, sound, network) – i.e. additional peripherals.

What is the main cause of CMOS check sum error during boot up?

Answer: CMOS battery is near to end of life – CMOS settings are kept alive by a small battery; when it is weak, settings are lost and a checksum error appears.

In which sequence computer operates?

Answer: Input, process, output – A computer takes input, processes it in the CPU and then gives output (IPO cycle).

Which factor influences the severity of electrical shock?

Answer: Duration of current passing – The longer the current passes through the body, the more severe the electric shock.