Learning Objectives

  • Contrast how businesses used computers in the past with present practice.
  • Connect that shift to information systems, e-business, and the individual user.
  • Explain the eras of business computing and what drove each change.
  • Identify the benefits and new risks of present-day computing.
  • Leave hardware generations (vacuum tubes to microprocessors) in Unit 1.

Computers in the past (organizational view)

Until the 1970s–80s, most organizations that had computers used mainframes or minicomputers in a locked room. Work was often batch: data on punch cards or tapes, processed overnight, printed reports in the morning. Only specialists (operators, programmers) touched the machine. Managers received delayed, summarized paper. Personal computers were rare; there was no always-on customer website.

Typical uses were payroll, billing, accounting, and inventory counts: repetitive calculations on large volumes of data. Computers were seen as fast calculators that saved clerical labour, not as tools for decisions or customer service.

The PC and network era

From the 1980s, microcomputers put a computer on the clerk’s desk. Spreadsheets and word processors moved analysis out of the MIS department. LANs then the internet connected branches and customers. Enterprise systems (ERP, CRM) in later chapters assume this networked present.

Eras of business computing

Era Approx. period Main technology Business use
Mainframe era 1960s–1970s Mainframes, batch processing Payroll, accounting, billing
Personal computer era 1980s Desktop PCs, spreadsheets Office work, personal productivity
Client-server / LAN era Late 1980s–1990s Networks, shared databases Departmental systems, shared files
Internet era Late 1990s–2000s Web, email, e-commerce Online presence, e-business
Mobile, cloud, and data era 2010s–present Smartphones, cloud, AI Real-time services, analytics, digital payments

Computers in the present

Today a “computer” in business is also a phone, POS terminal, cloud VM, or kiosk. Work is online and interactive: inventory updates as you sell; customers pay with wallets; staff join from home. IT for individuals (Unit 2.7) means employees and customers both run on the same public internet, which raises security and privacy (Unit 9).

Then Now
Few machines, specialist operators Many devices per person
Batch reports Real-time dashboards
Internal data only Customers and partners on the network
Software on local disks Mix of on-premises and cloud / SaaS
Computers cut clerical costs Computers create products and services
Office hours only 24/7 online service

Benefits and new risks

Benefits of present-day computing New risks
Faster, real-time decisions Cyber attacks and online fraud
Customers served anytime, anywhere Dependence on internet and power availability
Lower costs through automation and cloud Privacy and data-protection concerns
New business models (e-commerce, apps) Skills gap among older staff

Nepal example

A district office that once sent paper files to Kathmandu now files VAT or company details online. The computer did not only get faster; the role of computing in the organization changed from back-office calculator to the channel of service.

Similarly, Nepali banks moved from handwritten ledgers to computerized branch accounting, then to core banking systems linking all branches, and now to mobile banking, QR payments, and ConnectIPS. A customer who once had to visit the home branch can now transfer money from a phone at midnight.

Key Takeaways

  • Syllabus “computers in past and present” is about business use, not a second copy of Unit 1 generations.
  • Past = centralized, batch, specialist; present = distributed, interactive, customer-facing.
  • Business computing moved through mainframe, PC, client-server, internet, and mobile/cloud eras.
  • Present-day computing brings speed and reach but also security, privacy, and dependency risks.
  • That shift is why Units 2, 7, and 10 belong in a BBA IT course.

Discussion Questions

  1. What job in a bank existed in 1980 that barely exists now, and what new job appeared?
  2. Is a smartphone a “computer in the present” for a shopkeeper? Why?
  3. What risk arrived with always-on systems that batch systems did not have?

Exam-Style Questions

Short answer

  1. What is batch processing? Give one business example.
  2. List three differences between past and present use of computers in business.
  3. Name two new risks of always-on business computing.

Long answer

  1. Describe the evolution of computer use in business from the mainframe era to the mobile and cloud era.
  2. “Computers changed from back-office calculators to the main channel of service.” Explain with examples from Nepal.