TACN CNTT REVIEW 3

............ keep track of the next instruction to be performed in the main memory

............QA usually begins to test the application and bugs are fixed. Often times an application will go into a limited beta phase in which a wider user audience is given a chance to  use it and provide feedback and inform changes.

..... keeps the instruction that is being executed.

............... consists of three main parts: CU, ALU and registers

..............examines the instructions in the use’s program, interprets each instruction and causes the circuits and the rest of the components – disk drives, monitor, etc. – to be activated to execute the function specified

.............. performs mathematical calculations (+, - , etc.) and logical operations (and, or, ect.);

...........are high-speed units of memory used to store and control information

................ Common Business-Oriented Language.solving commercial purposes

..............is the nerve centre of a microcomputer.  Its function is to execute program instructions and coordinate the activities of all the other units.

..............: Programming Language I. Developed in 1964 to combine features of COBOL, combine features of COBOL and ALGOL, data processing as well as scientific applications.