Computer Software Arrangements

Topic Arrangements

Exam Clock

Main Aspect	F/G/C	G/C	C
Systems Software.		Common features of high level languages; purpose of high level languages; need for translation.	Types of translator: - compiler; - interpreter. Portability of software.
Operating System	Operating system as a program. directory/folder.	Interactive system; realtime system. Types of file: - data; - program.	Operating system provides the HCI for the user [file management, memory management, error reporting] interactive systems with background job capability; device drivers; hierarchical filing system; sequential and random/direct access to data
Low Level Machine	stored program; bit, byte, kilobyte (Kb), megabyte (Mb), gigabyte (Gb), terabyte (Tb) main memory size; Input, Process, Output (IPO); processor; main memory.	concept of machine code; representation of positive whole number, ,text b/w bit-mapped graphics	calculation of storage requirement of b/w bit map; processor structure: control unit; Arithmetic/Logic Unit (ALU); Registers Word; concept of addressability
Hardware	microprocessor; chip; main memory; ROM and RAM; backing storage; desktop, laptop/notebook, palmtop; current input devices; current output devices; current backing storage devices	storage location; capacity of backing storage; mainframe	sequential and random/direct access devices