BASIC COMPUTER CONCEPTS
COMPUTER SYSTEM TYPES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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reliability, easy to expand network, security
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high cartridge cost, slower than laser, documents can smudge before drying
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short wavelength radio signals used for communication
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very popular with 450m subscibers, supports roaming, stable network
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Detailed explanation-1: -Businesses today rely on the mainframe to: Perform large-scale transaction processing (thousands of transactions per second) Support thousands of users and application programs concurrently accessing numerous resources. Manage terabytes of information in databases.
Detailed explanation-2: -Mainframes have high availability, one of the primary reasons for their longevity, since they are typically used in applications where downtime would be costly or catastrophic. The term reliability, availability and serviceability (RAS) is a defining characteristic of mainframe computers.
Detailed explanation-3: -The mainframe computer has extensive capabilities to simultaneously share, but still protect, the firm’s data among multiple users. In an IT environment, data security is defined as protection against unauthorized access, transfer, modification, or destruction, whether accidental or intentional.
Detailed explanation-4: -A mainframe computer, colloquially known as “big iron, ” is a powerful electronic device with the ability to process and store large amounts of data. These are the largest category of data servers and are more secure than a typical computer. They’re also particularly powerful and reliable.