201 – 300 Key Points

201) Cache is not a secondary storage device
202) Disk can be used to store sequential files and random files
203) Windows is not an application
204) When taking the output information is produced in hardcopy and/or softcopy form
205) Control unit’s function is to decode program instructions
206) The most powerful type of computer amongst the following is supercomputer
207) GO TO statement is used in C, C++, basic language
208) File menu is selected to print
209) The name a user assigns to a document is called a filename
210) A processor is an electronic device that processes data, converting it into information
211) Control words are words that a programming language has set aside for its own use
212) Monitor and printer are the two types of output devices
213) To access properties of an object, the mouse technique to use is right-clicking
214) An operating system is a program that makes the computer easier to use
215) Connections to the internet using a phone line and a modem are called dial-up connections
216) To access a mainframe or supercomputer, users often use a terminal
217) A flaw in a program that causes it to produce incorrect or inappropriate results is called a bug
218) A web site address is a unique name that identifies a specific web site on the web
219) Every component of your computer is either hardware or software
220) To make the number pad act as directional arrows, you press the num lock key
221) When creating a word-processed document, formatting text involves the user changing how words on the page appear, both on the screen and in printed form
222) The ALU performs simple mathematics for the CPU
223) A computer program is a set of keywords, symbols, and a system of rules for constructing statements by which humans can communicate the instructions to be executed by a computer
224) The another word for program is software
225) The name of the computer’s brain is CPU
226) A computer is a device that electronically processes data, converting it to information
227) Laptops are computers that can be carried around easily
228) The secret code that restricts entry to some programs is password
229) The basic goal of computer process is to convert data into information
230) The disk is placed in the CPU in a computer
231) A hard copy of a document is printed on the printer
232) The name that the user gives to a document is referred to as file name
233) Restarting a computer that is already on is referred to as warm booting
234) E-mail is the transmission of messages and files via a computer network
235) The person who writes and tests computer programs is called a programmer
236) The information you put into the computer is called data
237) The output devices make it possible to view or print data
238) A chat is a typed conversation that takes place on a computer
239) Hardware includes the computer and all the devices connected to it that are used to input and output data
240) The most common method of entering text and numerical data into a computer system is through the use of a keyboard
241) Mouse, keyboard, plotter are the group consist of only input devices
242) 256 values can be represented by a single byte
243) Transformation of input into output is performed by the CPU
244) Vertical-market applications can handle most system functions that aren’t handled directly by the operating system
245) Device drivers are small, special-purpose programs
246) LAN refers to a small, single-site network
247) A set of instructions telling the computer what to do is called program
248) Data going into the computer is called input
249) If you receive an e-mail from someone you don’t know, then delete it without opening it
250) Two options does a binary choice offer
251) A collection of programs that controls how you computer system runs and processes information is called operating system
252) Rows and columns are data organized in a spreadsheet
253) When cutting and pasting, the item cut is temporarily stored in clipboard
254) When you are working on a document on a PC, the document is temporarily stored in flash memory
255) One megabyte equals approximately 1 million bytes
266) A cluster represents a group of sectors
267) Digital signals used in ISDN have discrete values
268) Assembler is language translation software
269) Manual data can be put into computer by scanner
270) Bandwidth means channel capacity amount of data following via cables and measure of speed
271) Chip can keep maximum data
272) Debugging is the process of finding errors in software code
273) Time Bomb are viruses that are triggered by the passage of time or on a certain data
274) Linux is an open source operating system
275) Boot sector viruses are often transmitted by a floppy disk left in the floppy drive
276) Operating system controls the way in which the computer system functions and provides a medium by which users can interact with the computer
277) Servers are computers that provide resources to other computers connected to a network
278) Field names describe what a data field is
279) You must install router on a network if you want to share a broadband internet connection
280) A goal of normalization is to minimize the number of redundancy
281) Programs from the same developer, sold, bundled, together, that are provide better integration and share common features, tool box and menus are known as software suits
282) A data ware house is one that organizes important subject areas
283) URL term identifies a specific computer on the web and the main page of the entire site
284) A proxy server is used to process client request for web pages
285) When data changes in multiple list and list are not updated, this causes data inconsistency
286) Granting an outside organization access to internet web pages is often implemented using a extranet
287) The code that relational database management systems use to perform their database task is refer to as SQL
288) URL stands for Uniform resource locator
289) A data base management system is a software system used to create, maintain and provide controlled access to a database
290) The two broad categories of software are system and application
291) The metal or plastic case that holds all the physical parts of the computer is known as system unit
292) Data integrity means that the data contained in the database is accurate and reliable
293) A local area network is a private corporate network used exclusively by company categories
294) Eight bits equal to one byte
295) A byte can hold one character data
296) A characteristic of a file server is manages files operations and is shared on a network
298) The development process of computer started in 1617
299) The role of Blaze Pascal in the development of computer is addition and subtraction of numbers
300) The inventor of computer is Charles Babbage