cu1 revision2

Which of the following the correct statement about computer process.

• Output – output devices are used to supply processed data.

• Input – input devices enable user to enter information and command into the computer.

• Storage – storage device are those which help to store  the user data in temporary form

• Process - processing devices process the data as per the instructions and send the 

              results to the output devices.

What kind of computer software that enables the computer to controls the hardware?

• System software

• Hardware software

• Mechanical software

• Application software

The software owner allows the user to use a copy of the software.

Which type of computer operating system software is above?

• Licensed

• Open Source

• Branded Source

• Non Licensed Software

What is the meaning for application software?

• A device that is connected to a host computer.

• A lightweight computer that is purpose-built for remote into a server.

• A broader computing infrastructure, where many clients share their computations with a server or server farm.

• A computer program designed to perform a group of coordinated functions, tasks, or activities for the benefit of the user.

Which of the following statement about power cable is true?

• Set of cable that help user to develop an electric power.

• Provides a network connection for user by connecting it to the computer.

• An electrical cable, an assembly of one or more electrical conductors, usually held   together with an overall sheath.

• Power cables   installed as temporary wiring within buildings, cannot buried in the ground, and can be exposed to any kind of threat.

Which of the following statement about Anti-electrostatic wristband.

• To remove dust in the computer system components.

• A tool, manual or powered, for screwing and unscrewing screws.

• An electronic measuring instrument that combines several measurement functions in

             one unit.

• A device used to safely ground a person working on very sensitive electronic

             equipment, to prevent the build-up of static electricity on their body, which can result in  

             electrostatic discharge (ESD).

A device that supplies electric power to an electrical load. The term is most commonly applied to electric power converters that convert one form of electrical energy to another, though it may also refer to devices that convert another form of energy (mechanical, chemical, solar) to electrical energy.

State the computer components mentioned above.

• CPU

• Hard Disk

• Motherboard

• Power Supply

Which of the following is the correct function of hard disk. 

• A brain of the computer.

• A device that supplies electric power to an electrical load.

• A temporarily store information that is currently in use by the computer

• A data storage device used for storing and retrieving digital information using rapidly rotating discs (platters) coated with magnetic material.

What is a definition of computer hardware?

• The physical parts or components of a computer, such as monitor, keyboard, computer data storage, graphic card, sound card, motherboard, and so on, all of which are tangible objects.

• The computer does and is responsible for performing calculations and data processing. It also handles the movement of data to and from system memory.

• An electronic device which operates on data, analysis the data and then applies the instruction to this data in order to perform a particular task.

• An electronic device which operates on data, analysis the data but does not applies the instruction to this data in order to perform a particular task.

Which of the following should not be done before any computer hardware components installation?

• Take off all jewelry to avoid any accident.

• Make sure the tools are safe to be use during installation process.

• Read the prepared instruction before starting any installation process.

• Start computer hardware installation process without any permission from instructor.