IDB BISEW Exam QuestionsSample (Part-4)

Q151.Identify where computer might be more appropriate than people. Ans: 1) Repetitive tasks 2) Easily automated tasks. 3) Mathematical calculations. 4) Dangerous Situations. Q152.Identify where people might be more appropriate than computer. Ans: 1) Imagination. 2) Emotions, feelings, love, real person talking. 3) Decision making. 4) Nursing. 5) Planning. 6) Creativity. 7) Pattern recognition. Q153.Name some of the uses of large-scale computer applications. Ans: 1) Business administration system (ERP – Enterprise Resource Planning). 2) Airline booking systems. 3) Insurance claims processing. 4) Online banking. Q154.Name some of the uses of large-scale computer applications in government. Ans: 1) Census. 2) Vehicle registration. 3) Revenue collection. 4) Electronic voting. Q155.Name some of the uses of large-scale computer applications in healthcare. Ans: 1) Patient record system. 2) Ambulance control system. 3) Diagnostic tools and specialist surgical equipment. Q156.Name some of the uses of large-scale computer applications in education. Ans: 1) Student registration and timetabling. 2) Computer Based Training (CBT). 3) Using the internet as a homework resource. 4) Distance learning systems. Q157.What are the advantages of distance learning? Ans: 1) One trainer can train many people at many different locations. 2) The students can have some flexibility regarding time and location as they can learn 24 hours a day and 7 days in a week. Q158.What is UPS? Ans: 1) UPS stands for Uninterruptible Power Supply. 2) It is a device which will guard against power cuts. 3) It contains batters which will keep the computer alive enough to use the shut down command. Q159.Why do we need to backup our computer? Ans: The most important thing we store on our computer is information. The information on a hard disk can be of year’s age and high importance. If the hard disk stops or the system fails it will cause loss of information. So to ensure the safely of the information we need to backup our computer in a regular basis. Q160.What are complete and incremental backups? Ans: 1) A complete backup means which can backup all the data on the computer. Sometimes complete backup is time consuming. 2) Incremental backup is an automatic process to backup the data on the computer after a certain span of time e.g. every night after the office hour. It can save time. Q161.What is off-site storage? Ans: The storage which not directly attached the computer system rather is safe and secure enough even from fire or any kind of external damage or loss is called off-site storage. Q162.How can we copy or move a file using ‘drag and drop’? Ans: 1) If we simply drag a file using left mouse button and drop it to another location, the file will be moved to the new location. 2) On the other hand, if we drag the file while Control (Ctrl) key is depressed and drop it to another location, a copy of the file will be created in the new location. Q163. What are Start button and Start menu? Ans: 1) Start button is located at the button-left corner on the taskbar. It allows the user to access their works or applications with the least amount of difficulties. 2) Start menu contains various categories of links to where applications and works are stored in the computer. It also has sub-categories under each category to make things easy. Q164.How can we select multiple files? Ans: 1) To select multiple files randomly we select a file using left mouse button and while keeping the Control (Ctrl) key depressed select other files simultaneously. This will keep all the files selected. 2) To select multiple files in a row we select the first file using left mouse button and while keeping Shift key depressed select the last file in the row. All the files between the two clicks will be selected. 3) We can also use Control key, Shift key and Arrow keys in combination to select a range of files or folders. Q165.What is the procedure to turn off the computer? Ans: 1) We have to save all the files that wee were working on. 2) We have to close all open applications. 3) While on desktop we can press Alt+F4 or click on ‘Turn Off Computer’ of the Start Menu to open Turn Off Computer dialogue box. 4) Then click Turn Off or press U on the keyboard to completely shutdown the computer. Q166.How do we restart our computer? Ans: 1) Click on ‘Turn Off Computer’ on the Start Menu to open Off Computer dialogue box. 2) Then click Restart or press R on the keyboard; the computer will restart. Q167.How can we shut down a non-responding application? Ans: 1) If an application stops responding press Ctrl+Alt+del to open Task Manager. 2)Under the applications tab select the not-responding application. 3) Click on End Task or press Alt+E. Click End now if asked. Q167.How do we see basic information about our computer? Ans: 1) Click Start button  Control Panel (Classic View)  System. 2) On Start button  Control Panel (Category View)  Performance and Maintenance  See basic information about your computer. 3) Under the General tab we can see Windows version. CPU and RAM speed. Q168.What is POST? Which component is responsible for doing this? Ans: 1) POST stands for Power On System Test or Power On Self Test. 2) When we switch on our computer some information regarding video memory, RAM and CPU are displayed on a black screen on the monitor showing whether all the components of the PC are loaded correctly or not. 3) A special chip called ROM-BIOS performs this test namely POST. Q169.How can change the Date and Time? Ans: To change the Date and Time: 1) Double click on the clock displayed on the rightmost side of the taskbar to active the ‘Date and Time properties’. 2) Under ‘Date and Time’ tab we can change time and date. 3) We can also change the Time Zone on the next tab. Q170.How can we set screen resolution and color quality setting ? Ans: To set screen resolution and color settings : 1) Right click on the windows desktop and select properties or go to Start Menu  Control Panel  Display. 2) On the ‘Display Properties’ dialog box select the ‘Setting’ tab. 3) In the ‘Screen Resolution’ section, use the slider to increase or decrease screen resolution. The more the resolution the more dots are on the screen and the more the display is sharp. 4) In the ‘Color quality’ section, click on the drop down list to select 16 bit or 32 bit. 32 bit will provide better display quality. Q171.What the steps to format a flash drive? Ans: 1) Insert the flash drive into the PC’s diskette drive. Make sure that the data n the drive is backed up or not important; because formatting will erase all the data permanently. 2) Press Windows+E to open Windows Windows Explorer. 3) On the left portion of the window right click on the flash drive. 4) On the popup menu click format. 5) On the next dialog box click start. 6) On the next confirmation dialog box click OK; formatting will start. 7) On the ‘Format Complete’ dialogbox click OK. Q172.How can uninstall software? Ans: 1) Most of the application software put an uninstall shortcut in ‘All Programs’ group of the ‘Start Menu’ along with executable shortcut. 2) We can use this link or we can go to the Control Panel  ‘Add Remove Programs’ to uninstall the software. Q173.: What is computer virus? What are computer virus infection issue? How to protect your computer from virus infection? Ans :Viruses are small programs which hide themselves on disk. Computer virus infection issues are as follows : 1. When computer start it will infect the system. 2. It can spread from one computer to another via infected disk or computer network. Protecting against computer infection issues are follows : 1. Not connect to local area network. 2. Without using anti-virus software should not use internet. Q174. What is a firewall? Ans : Firewall is a system that secures network from access by unauthorized users its implemented by software. Q175. What are steps to take to prevent data theft? Ans : a) Use user name and password always. b) Keep computer in physically secure place. c) Do not let anybody use portable disk and memory sticks. Q176. What is Ergonomics? Ans : Ergonomics covers the physical environment and designed of equipment to maximize the quality of an employee’s well being. Q177. What is freeware? Ans : Freeware means which can be copied or downloaded free and no need to by licence. Q178. What is Shareware? Ans: Shareware means software for a trial period .After trial period it will either display annoying message, asking to register software or stop working. Q179. What is open source software means? Ans : Open source software programming code of software is available to anyone who wishes to enhance or develop code. For example : PHP. Q180. What is data protection legislation? Ans : Data protection legislation means data protection law. It can differ substantially between countries. For example : 1)personal data shall be obtained fairly and lawfully 2) personal data shall be processed fairly and law-fully. 3) personal data should be accurate and if necessary kept up to date. Q181. What is spyware? Ans : Spyware is software that installs itself on computer and then spies on computer activity. It is used to collect marketing information. It can be uses as a criminal way also. Q182. What is cookies? Ans : Cookies are common used to allow visitors to a website to personalize their relationship with the website cookies are text files stored in users machine. This are often downloaded from a website when user visits the website. Q183.What is database ? Ans: A database is a collection of information that is organized so that it can easily be accessed, managed, and updated. Q184.What is relational database? Ans: A relational database is a collection of data items organized as a set of formally-described tables from which data can be accessed or reassembled in many different ways without having to reorganize the database tables. Q185. Differences between data and information Ans: Data: Facts, statistics used for reference or analysis. Numbers, characters, symbols, images etc., which can be processed by a computer. Data must be interpreted, by a human or machine, to derive meaning "Data is a representation of information" * Information: Knowledge derived from study, experience (by the senses), or instruction. Communication of intelligence. "Information is any kind of knowledge that is exchangeable amongst people, about things, facts, concepts, etc., in some context." * "Information is interpreted data" * Q186.what is field Ans: A space allocated for a particular item of information. A tax form, for example, contains a number of fields: one for your name, one for your Social Security number, one for your income, and so on. In database systems, fields are the smallest units of information you can access. Q187. At is record Ans: A collection of fields is called a record. Q188. We can we use Print Screen facility? Ans: 1) If we want to take a snapshot of our monitor’s current display we have to press the ‘Print Screen’ key located just right to Allthe Backspace key. 2) To save the image we can open Print from Start Accessories and click Paste under Edit Menu or press Ctrl+V. 3) Click Program Save under File Menu or Press Ctrl+S. 4) In the dialog box give a name and at the ‘Save as type’ dropdown list, select a file format e.g. bmp or jpeg then click Save or Press Enter on the keyboard. The file is saved. 5) To take a snapshot only of the active window we just have to press All+Print Screen then follow the procedure. Q189.What is drives? Ans: 1) Drives are partitioned space on the4 hard disk. 2) Drives are like separate rooms in a flat. 3) If all the information is put into one single hard then it is likely to be lost very easily if the OS stops working or crashes. 4) To make our information safe and use them in an organized way we need several drives on the hard disk. Q190.How can we create a new folder? Ans: To create a new folder : 1) Right click on the blank space of the window where the folder is to be created. 2) On the popup menu pause on new. 3) On the submenu click Folder. 4) Name the folder and press Enter or click outside; the folder is created. Q191.What is file extension? Write ten different extensions and their use. Ans: File extension is something which windows use to determine the file type and to decide which application is needed to open the file. For Example .doc is the extension for a document file. file extension is placed at the end after each file name separated by a dot called period. Ten different file extensions and their use: .txt- Text files .rtf- Rich text format (WordPad) .doc-Document files (MS Word) .xls- Spreadsheet files .ppt- Power Point Presentations .mbd- Database files .exe- Executable files .jpeg- Image files .html- Webpage files .wav- Audio files Q192.Why is file extension important? Ans: File extension is important for Windows Operating System to determine which application is needed to open a particular file and which icon to show. If we somehow change file extension, windows will be confused as to what the file format is. Q193.What is compressed file? why do we compress a file or folder? Ans: 1) Compressed files are files which have been compress using a third party utility software like WINZIP, WINRAR, AllZip, 7Zip etc. 2) In general compress files have a file extension of .zip. 3) Windows has a built in zip utility namely iexpress. 4) Files are compress to make them smaller to save disk space or to make the transfer faster over a network or the internet. Q194.How can we write protect a file? Ans: To write protect a file : 1) Right click on the then select Properties or select the file and press Alt+Enter to view the Properties dialog box. 2) In the Attribute section tick the Read-only checkbox then click Apply and OK; the file is now write protected i.e. we can only read it but cannot write on it or change it. Q195.What is wildcard? Give four examples of using wildcards? Ans: When we want to search a file or files and do not know the exact name, we use some tricks to find them out. These are called wildcards. For example : 1) To search for all files whose names start with a, we would search for a*. 2) To search for all files whose names start with ma, we would search for ma*. 3) To search for all files whose names start with ma and contains 5 characters, we would search for ma???. 4) To search all document files whose names start with be and contains 3 characters, we would search for be? .doc. Q196.How can we change the default printer? Ans: To make a printer default : 1) Go to Start menu  Control Panel  Printers and Faxes. 2) Right click on the printer icon which we want to make default. 3) On the popup menu click on ‘Set as Default Printer’. Q197.What is Printer Manage? Ans: 1) Printer Manager is the window which is open when we double click on the printer icon. 2) Printer Manager enables us to pause, restart, cancel or delete any print command which has been given already. Q198.How much data can a CD- ROM store? Ans: A CD - ROM can store 650 MB data. Q199.Give examples of uses of large scale computer applications in business. Ans: i. Business administration. ii. Airline booking systems. iii. Insurance claim processing. iv. Online banking. Q200.Write down the types of storage media. Ans: Internal hard disks, External hard disk, CDs, DVDs, Recordable CD and DVD drives, USB flash drives, Memory cards. Q201.What are the types of communication methods? Ans: Electronic mail(E-mail), Instant messaging (IM), Voice Over Internet Protocol (VOIP), Really Simple Syndication (RSS) feeds, Blogging, Podscasts. Q202.What is a Podscasts? Ans: The Term “Podcasts” is combination of the words ‘’iPod” and “ broadcast”. A broadcast is a way of providing contents such as radio programs in a form which can be easily downloaded and listened to later on a PC or mobile device such as an Apple iPod. Q203.Write down different types of printer name? Ans: Laser Printer, Colour Laser Printer, Inkjet Printer, Dot Matrix Printer. Q204.Write down list of electronics world. Ans: E- commerce, E- banking, E- government, E-learning, Tele-working. Q205.What is the ICT? What are the terms cover the ICT Field? Ans: ICT stands for Information and Communications Technology. These terms cover the ICT field: i. Installing and maintaining systems and applications. ii. Data management. iii. Computer hardware maintenance. iv. Database and software design.