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Definition of AI AI stands for Artificial Intelligence, which refers to the simulation of human intelligence in machines that are programmed to perform tasks that would typically require human cognitive abilities such as learning,...
Definition of Robotics Robotics refers to the interdisciplinary field of science and engineering that deals with the design, construction, operation, and application of robots. A robot is a machine that can be programmed to...
Data Representation refers to the methods used internally to represent information stored in a computer. Computers store lots of different types of information: numbers. text. graphics of many varieties (stills, video, animation). sound. Computers...
PowerPoint is an application software package that allows you to create, print and show presentations. When you are giving a presentation, your main aim is to get key points across to your audience, in...
Presentation software or presentation package is an effective multimedia tool as it combines text, sound, images and video on one or more slides. Presentation packages are used to create presentations, quizzes, information points and...
Word processing is the use of computer to create,edit, and print documents. Of all computer applications, word processing is the most common. To perform word processing, you need a computer, a special program called...
Graphic packages are those programs that allow artiste and computer users to use computers to create, edit, display and print graphic images. A graphics package is an application that can be used to create...
Microsoft Access is a Relational Database Management System (RDBMS), designed primarily for home or small business usage. Access is known as a desktop database system because it is functions are intended to be run...
CRUD In computer programming, CRUD is an acronym for create, read, update and delete which are the four basic functions of persistent storage. It is also sometimes used to describe user interface conventions that...
Structured Query Language (SQL) is a special-purpose programming language designed for managing data in relational database management systems (RDBMS).Originally based upon relational algebra and tuple relational calculus, its scope includes data insert, query, update...
There are four structural types of database management systems: hierarchical, network, relational, and object-oriented. 1) Hierarchical Database: A hierarchical database model is a data model in which the data is organized into a tree-like...
A database management package or database management system (DBMS) is a software package used to set up, or structure, a database. It is also used to retrieve information from a database. The top part...
A database is a set of data that has a regular structure and that is organized in such a way that a computer can easily find the desired information. Data is a collection of...
A power cable is an assembly of two or more electrical conductors, usually held together with an overall sheath. The assembly is used for transmission of electrical power. Printer cable refers to the cable...
1) DSL is an example of a(n) _ a) connection. b) network. c) wireless. d) broadband. 2) Which of the following is not a disadvantage of a wireless LAN?...
1) All of the following are examples of real security and privacy risks EXCEPT: a) Hacker. b) Spam. c) Viruses. d) Identity theft. 2) Technology no longer protected by...
In information science, connectors, normally called “input-output connectors” (or I/O for short), are interfaces for linking devices by using cables. They generally have a male end with pins protruding from it. This plug is...
1) The steps and tasks needed to process data such as responses to questions or clicking an icon are called: a) instruction. b) the operating system. c) application software. d) the...
1) How many return statements are allowed in a Function Procedure? a) 1. b) 3. c) 2. d) There is no limit. 2) Which method will return the number...
INTRODUCTION Cable is the medium through which information usually moves from one network device to another. Networking cables are used to connect one network device to other network devices or to connect two or...
1) The difference between people with access to computers and the internet and those without this access is known as the: a) digital divide. b) internet divide. c) web divide. d)...
1) With respect to a network interface card, the term 10/100 refers to _ a) protocol speed. b) a fiber speed. c) megabits per seconds. d) minimum and maximum server speed....
INTRODUCTION Electronic mail also known, as e-mail is a means of a computer based communication in which an electronic letter is sent to one or more recipients. It involves basically an e-mail address that...
1) The motherboard is the _ a) circuit board that houses peripheral devices. b) same as the CPU chip. c) the first chip that is accessed when the computer is turned on....
1) If you want to connect to your own computer through the Internet from another location, you can use: a) e-mail. b) FTP. c) instant message. d) Telnet. 2)...
1) The proper operator precedence, from first to last, is: a) logical, comparison and arithmetic. b) arithmetic, comparison and logical. c) arithmetic, logical and comparison. d) comparison, arithmetic and logical. ...
1) The step-by-step instructions that solve a problem are called _ a) an algorithm. b) a list. c) a plan. d) a sequential structure. 2) Algorithm and flow chart...
INTRODUCTION TO COMPUTER SECURITY Computer security is the process of preventing and detecting unauthorized use of your computer. Prevention measures help to stop unauthorized users also known as intruder from accessing any part of...
1) Programs are executed on the basis of a priority number in a _ a) batch processing system. b) multiprogramming. c) time sharing. d) none of the above. 2)...
CPU is an acronym for a central processing unit, which is considered to be the brain of a computer. The part of a computer that interprets and carries out instructions provided by the software....
1) System Study involves a) study of an existing system. b) documenting the existing system. c) identifying current deficiencies and establishing new goals. d) All of the above. 2)...
BOOTING In computing, booting is the initial set of operations that a computer system performs when electrical power to the CPU is switched on. The process begins when a computer is turned on for...
1) Each of the data files as a _ that describe the way the data is stored in a file. a) file structure. b) records. c) fields. d) database. ...
ICT is an acronym that stands for Information and Communications Technology. A good way to think about ICT is to consider all the uses of digital technology that already exist to help individuals, businesses...
1) A file extension is separated from the main file name with a(n) _ but no spaces. a) question mark. b) exclamation mark. c) underscore. d) None of the above. ...
An information system is a collection of methods, practices, algorithms and methodologies that transforms data into information and knowledge desired by and useful for, individual and group users in organizations and other entities. This...
1) _ bits equal one byte. a) Eight. b) Two. c) One thousand. d) One million. 2) The binary language consists of _ digit(s) a) 8. b) 2....
A data network is an electronic communications process that allows for the orderly transmission and receptive of data, such as letters, spreadsheets, and other types of documents. What sets the data network apart from...
Telecommunications, also called telecommunication, is the exchange of information over significant distances by electronic means. A complete, single telecommunications circuit consists of two stations, each equipped with a transmitter and a receiver. The transmitter...
1) If a³ – input NOR gate has eight input possibilities, how many of those possibilities result in a HIGH output? a) 1. b) 2. c) 7. d) 8. ...
Broadcasting is the distribution of audio and video content to a dispersed audience via any audio or visual mass communications medium, but usually one using electromagnetic radiation (radio waves). The receiving parties may include...
1) The output of an AND gate with three inputs, A, B, and C, is HIGH when _ a) A = 1, B = 1, C = 0. b) A = 0, B...
A communication system is a collection of individual communications networks, transmission systems, relay stations, tributary stations, and data terminal equipment (DTE) usually capable of interconnection and interoperation to form an integrated whole. The components...
1) A disk’s content that is recorded at the time of manufacture and that cannot be changed or erased by the user is _ a) Memory only. b) Write – only. c)...
The major string handling functions in BASIC programming language are: ASC function CHR$ function LEFT$ function RIGHT$ function MID$ function VAL function STR$ function LEN function DAT$ function POS function SEG$ function 1)...
1) A variable name is declared as an array in BASIC by _ a) INPUT. b) READ. c) FOR. d) DIM. 2) In BASIC, REM shows a statement to...
ARRAYS A table is a data structure that enables data to be stored in the main memory of the computer. The term table is also known as array. An array variable is a data...
1) A(n) _ converts and executes one statement at a time. a) compiler. b) interpreter. c) converter. d) instructions. 2) What is a Compiler? a) An Application Software. ...
High-level language is any programming language that enables development of a program in much simpler programming context and is generally independent of the computer’s hardware architecture. High-level language has a higher level of abstraction...
1) Word processing, spreadsheet, and photo-editing are examples of _ a) application software. b) system software. c) operating system software. d) platform software. 2) Application software is designed to...