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1. Computer Operator and Programming Assistant Trade Theory - PPT Annual Pattern ( As per July 2022 syllabus)

2. Syllabus Safe working practices, Scope of the COPA trade, Safety rules and safety signs, Types and working of fire extinguishers, Introduction to Computer components

3. CHAP-1 INTRODUCTION TO COMPUTERS

4. Safe working practices Do not touch power connections or loose power cables without permission. Do not eat in the lab space. Keep your water bottles away from computer components like CPU, monitor, keyboard, mouse, printer, etc. Report any hardware issues immediately to the lab in-charge. Never open surf the Internet in the absence of your faculty/ supervisor. Do not play games on computer. Properly shutdown the computer after completing your works. Do not charge any mobile devices. Keep the lab space clean. Report any abnormal conditions immediately.

5. Safety Rules Figure: Safe working prac tices[1]

6. Figure: Rules to be followed in computer lab[2]

7. Job Opportunities Data entry job in any commercial organization. One may setup Common Services Centre or browsing centre. Recruitment in State Government and Central Government agencies for Data Entry Operator job. One year apprenticeship in any Government or Private organization. Programming assistant job in software firms. Point of Sale (PoS) Operator job in malls and other commercial establishments.

8. Safety symbols Figure: Safety symbols)[ ? ]

9. Components of computer Central Processing Unit (CPU) is the main component of comptuer. CPU contains motherboard, RAM, Hard Disk, CD/DVD drive, etc. Motherboard contains a special RAM called CMOS (Complimentary Metal Oxyde Semiconductor) for storing date, time and other settings. CMOS is kept in power-on condition using CR20232 battery. Monitor is the display device. It is otherwise called Visual Display Unit (VDU). Keyboard and mouse are the most common input devices. Processor cycles are governed by control unit. Calculations and comparisons are carried out at Arithmetic and Login Unit (ALU).

10. Block diagram showing components of computer Figure: Components of computer[ ? ]