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39 Cards in this Set
- Front
- Back
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Computer |
– is a system consisting of two different components, hardware and software.
- it is also known as a single component that does the actual computing
- it is a data processor
- it can execute programs written in other language if they are first translated into machine language - is a complex system consisting of many different components |
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Processor |
– is a device inside your computer that follows a program instruction - it is called as the CPU or the Central processing Unit - can follow simple instruction only |
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Program |
– is simply a set of instructions meant to be followed mechanically by a computer - refers to any software |
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Computer |
– is built to carry out instructions that are written in a very simple type of language called Machine Language |
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Random Access Memory (RAM) |
– the computer’s main memory |
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Memory |
– can hold data that is being used or processed by the program
- holds the data for the computer to process, and it holds the result of the computers intermediate calculation |
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Main memory |
– consist of a sequence of locations. These locations are numbered |
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Address |
– is the sequence number of location - it provides a way of picking out one particular piece of information from among the millions stored in memory |
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Machine Language instructions |
– are expressed as binary numbers - is just a sequence of zeros and ones |
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Binary number |
– is made up of just two possible digits, zero and one. |
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Hardware |
– it is the physical part that make up the computer - is the tangible parts of the computer that you can touch - it consist of interconnected electronic devices that you can use to control the computers operation, input and output |
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Devices |
– refer to any piece of hardware (eg: mouse, CPU, speaker) |
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Software |
– is the set of instructions that makes the computer perform tasks. - it tells the computer what to do |
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Users |
– people are the computer operator, also known as? |
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Data |
– consist of individual facts or bits of information, which by themselves may not make sense to a person - it is organized into files |
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File |
– is simply a set of data that has been given a name |
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Document |
– is a file that the user can open and use |
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• Hardware • Software • Users • Data |
Four parts of a computer |
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True |
t/f The computer has the ability to perform arithmetic operation like addition, subtraction, multiplication and division |
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True |
t/f
The computer can perform relational and logical operations |
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True |
t/f A computer has a storage area called memory, the reason why the computer has the ability to store and retrieve information |
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True |
t/f The computer has the ability to process information at a very high speed |
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True |
t/f The computer can direct itself in a predetermine manner without human intervention |
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True |
t/f Computers do not think of you |
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True |
t/f The computer cannot correct inaccurate data |
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True |
t/f The computer is subject to breakdown |
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Personal Computing |
– at home, these computers can be used for applications |
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• word processing • desktop publishing • electronic spreadsheet • database |
in small businesses, computers can be used for: |
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• personal computing • science and research • information system / data processing • education • medicine • artificial intelligence |
uses of computer: |
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Word Processing |
– is a software that allows users to enter, store, manipulate and print text (letters, reports) |
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Desktop Publishing |
– is a software that allows users to produce near type-set-quality copy of newsletter, advertisements, and other publishing jobs. |
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Electronic spreadsheet |
– is a software that permits users to work with numbers formatted in lines and columns normally used for accounting jobs |
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Database |
– permits users to create and maintain several files and extract in an easy convenient manner |
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Science and Research |
– engineers ad scientist use computers as a tool in experimentation and design. |
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Information System / data Processing |
– computers are used to support the administrative aspects of an organization |
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Education |
– computers can interact with students to enhance the learning process |
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True |
t/f A computer is a machine built of millions of tiny switches called transistor, which have the property where they can be wired together in such a way that an output from one switch can turn another switch on or off |
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True |
t/f It can be argued that some computer systems are complete without a person involvement; however, no computer is totally autonomous. |
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microcomputer |
small computer |
