Practice Important Computer Questions Questions and Answers

• Data duplication wastes the space, but also promotes a more serious problem called
• What is the mounting of file system?
• Which of the following is a programming language for creating special programs like Applets?
• A collection of conceptual tools for describing data, relationships, semantics and constraints is referred to as
• Which of the following is known as the process of viewing cross-tab with a fixed value of one attribute?
• The highest level in the hierarchy of data organization is called
• DI stands for
• Which forms has a relation that possesses data about an individual entity:
• The __________________ contains a list of blocks that have been updated in the database buffer.
• A process is thrashing if ____________
• A graphical or text depiction of the relationship between different groups of content on a website is a:
• The_____ operation allows the combining of two relations by merging pairs of tuples, one from each relation, into a single tuple.
• The top level of the hierarchy consists of ______ each of which can contain _____.
• The first Network was called ________
• Which of the following is not an internal command of DOS?
• The code that relational database management systems use to perform their database task is referred to as
• File extensions are used in order to
• What type of memory stores data in a swap file on a hard drive?
• The attacker using a network of compromised devices is known as _____________
• Which tool is used for Wi-Fi hacking?
• Which of the following is not a stream cipher?
• The cardinality property of a relation, refers to the
• Three bits used To control access the in UNIX are represented by :
• RTOS stands for
• Internet works on _______
• Which of the following is not an application layer service?
• MICR stands for
• Which of these output devices are used for the translation of information from any computer into a pictorial form on the papers?
• Which of the following is used in main memory?
• Wall maps are actually
• The process of capturing satellite image is called
• What is the function of the puck?
• The mechanism that brings a page into memory when it is needed is called
• Data integrity constraints are used to:
• The program used in the digitization technique is
• Which of the following map is also known as chorographical map?
• ............. is the functional key to display save-as box.
• An HTTP request contains ......... parts
• Hackers often gain entry to a network be pretending to be at a legitimate computer
• It is a prepared application that takes advantage of a known weakness.