University – 2025 – Complete Exam Questions and Answers |
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Administration - (answers)An administrator is in charge of some portion of the IT
infrastructure.
Network administrator - (answers)oversees all aspects of the computer network. The
network administrator's duties include physically laying down cable, making connections,
and working with the network hardware (for instance, routers and switches).
Database administrator - (answers)focus on the design, development, and support of
database management systems (DBMSs). Tasks will include installation, maintenance,
performance analysis, and troubleshooting as with the other administrative areas
Security administrator - (answers)install, configure, and administer appropriate firewall
security to protect the organization's systems and to work proactively against such
intrusions.
Web administrator (webmaster) - (answers)also known as a webmaster, but more precisely
referred to as a web server administrator. This role is responsible for maintaining web
storages, which differs from the development of web storage. Specifically, the web
administrator must install, configure, maintain, secure, and troubleshoot the web server.
Define Information Technology - (answers)IT is a term used to describe several aspects: the
task of gathering data and processing it into information, the ability to disseminate
information using technology, the technology itself that permits these tasks, and the
collection of people who are in charge of maintaining the IT infrastructure (the computers,
the networks, and the operating systems). Generically, we will consider IT to be the
technology used in creating, maintaining, and making information accessible. In other
words, IT combines people with computing resources, software, data, and computer
networks
, Information technology - (answers)describes the technology infrastructure that may support
information systems, although Information Technology could also support many other types
of systems (e.g., telecommunications systems). Information Technology includes hardware,
software, networks, and databases that work together to allow an organization to manage
data and information.
A computer performs four operations - (answers)IPOS
Input
Processing
Output
Storage
Parts of the CPU - (answers)ALU
Control Unit
Registers
Memory - (answers)SCRAM
DRAM
ROM
I/O Subsystem - (answers)Input Devices
Output Devices
Storage Devices
Computer structure - (answers){CPU (ALU, Control Unit, Registers)
System Bus
Memory(SCRAM, DRAM, ROM)}
I/O Bus
{I/O Subsystem (Input Devices, Output decides, Storage Devices)}