COMPUTER PROGRAMMING UNIT 1 Lecture 3
Download as PPT, PDF0 likes452 views
This document discusses computer programming and the data processing cycle. It explains that data is input, processed using microprocessors, stored for future use or output, and that computers play an important role in making this cycle faster, more accurate, and able to output and share data. While computers provide advantages like speed and accuracy, they also require infrastructure like electricity, maintenance, and staff training. Overall trends have included increasing processing power, storage, and connectivity through networks and distributed systems.
COMPUTER PROGRAMMING UNIT 1 Lecture 3
- 1. COMPUTER PROGRAMMING Lecture 03 Prepared By Mr. V. S. Patil Dept (CSE)/AEC
- 2. Unit 1 Problem Solving Syllabus Prepared By Mr. V. S. Patil Dept (CSE)/AEC
- 3. 2 1 Explain the data processing cycle Define the role of computers in the data processing cycle Objectives
- 4. • How is data processed into information?
- 5. The Information Processing Cycle Stored DataDocument Data Input Process Output New Document
- 6. • Accept data through input devices • Process data using microprocessors • Store data for interactive use in the RAM and for longer periods of storage in the ROM and hard disks • Output data through output devices. What is the role of computers in the information cycle?
- 7. •Faster data input, processing and retrieval •Tireless--can work 24 hours a day, 7 days a week •Less prone to error •Produce output requirements easily •Could send and retrieve data from other computers if in a network What are the advantages of using computers for data processing?
- 8. • Require skilled manpower for design and programming and data encoding • Require electricity • Require air conditioning for non-stop work • Expensive to acquire and maintain • Require frequent upgrade due to fast developments in hardware and software • Require regular staff training What are some disadvantages of using computers?
- 9. What are some general trends in computers? •Moore’s Law: Computing power doubles approximately every 18 months •Faster processors •Bigger storage capacity •Bigger memory •Stand alone>>>Network>>>Distributive computing •Software bloat •Lower cost
- 10. Computers are reliable and efficient tools for data processing and information retrieval. There are advantages and disadvantages in using them. The efficiency of these tools is dependent on the specifications of the computer hardware, the software, database design and the user. Overview
- 11. Question Bank •What are the components of a data processing cycle? •What is the role of a computer in the data processing cycle? •What are some trends in the development of computers?