ITE011 Introduction to Computer PDF

Computer Concepts COMPUTER What is a Computer? A computer is an electronic data processing device designed to accept, manipulate data and instructions. Characteristics of a Computer It’s a machine. It is electronic. It is automatic. It can manipulate data. It...

Computer Concepts COMPUTER What is a Computer? A computer is an electronic data processing device designed to accept, manipulate data and instructions. Characteristics of a Computer It’s a machine. It is electronic. It is automatic. It can manipulate data. It has memory It has logical function  Capabilities of a Computer Speed Accuracy Repetitiveness Storage Programmable  Limitations of a Computer Cannot operate without a set of instructions. Cannot derive from objects. Cannot correct errors. It can only detect them. Computer are subjects to occasional breakdowns. Cannot run without electric power.  CLASSIFICATION OF COMPUTERS Acc. To Purpose General-purpose computers- capable of handling different problems.  CLASSIFICATION OF COMPUTERS Special-purpose computers - designed to do specific task.  CLASSIFICATION OF COMPUTERS Acc. To Data Handled Analog computer - comes from the word “analogous” meaning similar.  CLASSIFICATION OF COMPUTERS Digital computer - counting or calculator.  CLASSIFICATION OF COMPUTERS Hybrid computer - analog or digital computer.  CLASSIFICATION OF COMPUTERS Acc. To Capacity Microcomputers -digital computer system that use microprocessor. CLASSIFICATION OF COMPUTERS Minicomputers - that can handle task that large computer that could not perform economically. CLASSIFICATION OF COMPUTERS Mainframes - flexible and can be expand to meet the needs of user. CLASSIFICATION OF COMPUTERS Super computers - the biggest and the fastest machine. Practice Quizzes Using quizizz.com