dollar doubles every eighteen months Microprocessor • Part of the computer that executes the instructions of a computer program Random-access memory (RAM) • Fast‚ chip-based volatile storage in a computing device Volatile memory • Storage that is wiped clean when power is cut off from a device 5-6 SOME DEFINITIONS Nonvolatile memory • Storage that retains data even when powered down Flash memory • Nonvolatile‚ chip-based storage Solid state electronics • Semiconductor-based devices Semiconductors
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electronic device that uses stored data and instruction to generate information. 2. A type of computer that performs specific task. 3. A type of computer that manipulates or process data in continuous form and normally operates by revolving. 4. Combines the characteristics of both the analog and digital. 5. It refers to unprocessed facts. 6. A large‚ fast‚ and fairly expensive computer‚ commonly used by businesses to accommodate extremely large amount of data. 7. It is small compared
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your desktop computer only for doing schoolwork‚ which input and output device combination would be best from the options below (considering the best combination of cost‚ screen resolution‚ and keyboard design)? a gaming keyboard and a 27" LCD monitor a foldable keyboard and a 15" LCD monitor a wireless keyboard and a 24" LED monitor a split-style keyboard and a 30" LED monitor Question 2 Select one answer. 10 points In a situation where a handicapped person can only input data into the computer
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system‚ 2. Distinguish application software from system software‚ 3. Distinguish four types of computers‚ 4. Explain computer connectivity. 1.1 Introduction: People who use microcomputers are called “end users”. Today: • Microcomputers are common tools in all areas of life. Writers write‚ artists draw‚ engineers and scientists calculate – all on microcomputers. • With the aid of computers‚ new forms of learning have developed – now distant learning is possible. • New ways to
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NETWORKING – PROS AND CONS A computer network can be identified as a group of computers that are interconnected for sharing data between them or their users. One main method for optimizing computer usage is networking. However‚ for those who are contemplating a change from stand-alone computers to a network system. Investigation of actual networks in use presents a paradox: network systems can be highly productive and beneficial‚ but they can create many complexes‚ frustrating problems. Simply
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The two major components of any computer system are its _____. a. input and output b. data and programs c. hardware and software d. memory and disk drives 2. The major computer operations include _____. a. hardware and software b. input‚ processing‚ output‚ and storage c. sequence and looping d. spreadsheets‚ word processing‚ and data communications 3. Another term meaning “computer instructions” is _____. a.hardware b. software c. queries d. data
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the following is still the most common method for data entry? A) Microphone B) Keyboard C) Scanner D) Stylus 2) Which of the following keys is an example of a modifier key? A) Esc B) Home C) Up arrow D) Ctrl 3) Which of the following keys or key combinations is typically used to display on-screen help? A) F1 B) Esc C) Enter D) Ctrl + H 4) A keyboard is an input device that uses ________ and circuits to translate keystrokes into signals computers understand. A) control keys B) memory C) function
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Input-Process-Output-Storage (IPO S) A mobile device is a small and handy computing device. Mobile device usually come with a touch or non- touch display with a mini keyboard. Today‚ mobile devices have become popular to everybody since they are convenient. As on the year 2012‚ reports had claimed that more 75% of the world population owns a mobile device. Mobile device are also considered as a computer systems because it uses the Input-Process-Output-Storage (IPOS) model. One of the examples
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financial data so that it can be used by accountants‚ consultants‚ business analysts‚ managers‚ chief financial officers (CFOs)‚ auditors and regulatory and tax agencies. Components of AIS a. People - the system users - professionals who may need to use an organization’s AIS include accountants‚ consultants‚ business analysts‚ managers‚ chief financial officers and auditors b. Procedure and Instructions are the methods it uses for collecting‚ storing‚ retrieving and processing data. - these
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) A computer is a machine that can process data and produce result in an electronic form. A complete computer system must consist of 3 major components which are hardware‚ software and data. Computer system must consist of few important hardware for example like Central Processing Unit ( CPU )‚ Memory‚ Input/Output devices and storage components. Storage can group to primary storage and secondary storage. Primary storage also call Random Access Memory ( RAM ) are crucial to computer system
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