INTRODUCTION TO COMPUTERS
COMPUTER PERFORMANCE AND RELIABILITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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computers used primarily by large organizations for critical applications
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fragile, more expensive, smaller screen, battery goes flat quickly
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automatic input device that recognises marks entered onto paper
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save space and portability where possible with small form factor devices
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Detailed explanation-1: -A mainframe computer, informally called a mainframe or big iron, is a computer used primarily by large organizations for critical applications like bulk data processing for tasks such as censuses, industry and consumer statistics, enterprise resource planning, and large-scale transaction processing.
Detailed explanation-2: -In banking, finance, health care, insurance, utilities, government, and a multitude of other public and private enterprises, the mainframe computer continues to be the foundation of modern business.
Detailed explanation-3: -Mainframe Computers: Large organizations use mainframes for highly critical applications such as bulk data processing and ERP. Most of the mainframe computers have the capacities to host multiple operating systems and operate as a number of virtual machines and can substitute for several small servers.