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a. The CPU is made up of three main components, the control unit , the immediate access store and the arithmetic and logic unit .

b. Computer cannot operate without the instructions given by humans. It is programmed to work effectively, fast and accurately. Computer cannot think by itself and does not have common sense.

c.

A USB flash drive is a data storage device that includes flash memory with an integrated USB interface. It is typically removable, rewritable and much smaller than an optical disc. Most weigh less than 30 g.

d. Memory Stick is a removable flash memory card format, originally launched by Sony in late 1998. ... With increasing popularity of SD card, in 2010 Sony started to support the SD card format, which was seen as a Sony loss in the memory-card format war. Despite this, Sony continued to support Memory Stick on certain devices.

e. A database is an organized collection of data, generally stored and accessed electronically from a computer system. Where databases are more complex they are often developed using formal design and modeling techniques.

f. Software, instructions that tell a computer what to do. Software comprises the entire set of programs, procedures, and routines associated with the operation of a computer system. The term was coined to differentiate these instructions from hardwareβ€”i.e., the physical components of a computer system.

g. Accessories are items of equipment that are not usually essential, but which can be used with or added to something else in order to make it more efficient, useful, or decorative. ... Accessories are articles such as belts and scarves which you wear or carry but which are not part of your main clothing.

h. The Start menu is the main gateway to your computer's programs, folders, and settings. It's called a menu because it provides a list of choices, just as a restaurant menu does. And as "Start" implies, it's often the place that you'll go to start or open things.

i. The Internet is a vast network that connects computers all over the world. Through the Internet, people can share information and communicate from anywhere with an Internet connection.

j. Multimedia is a form of communication that combines different content forms such as text, audio, images, animations, or video into a single presentation, in contrast to traditional mass media, such as printed material or audio recordings.

hope it help you they are right note them in copy

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