IT &computer MCQ section 6 MCQ Questions & Answers Detailed Explanation
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The following question based on IT & computer topic of general awareness mcq
(a) Micro computers
(b) Mainframes
(c) Mini computers
(d) None of the above
The correct answers to the above question in:
Answer: (a)
A microcomputer is a small, relatively inexpensive computer with a microprocessor as its central processing unit (CPU). It includes a microprocessor, memory, and input/output (I/O) facilities. They were at the centre of the home computer market segment.
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Question : 1
Expansion of RDBMS is
a) Relational Database Memory System
b) Repairable Database Management System
c) Relational Database Management System
d) Recurring Database Memory System
Answer »Answer: (c)
A relational database management system (RDBMS) is a database management system (DBMS) that is based on the relational model as introduced by E. F. Codd, of IBM’s San Jose Research Laboratory.
Question : 2
What is green data centre?
a) Arepository forthe storage,management and dissemination of mechanical, lighting, electrical and computer systems developed to optimize energy efficiency and environmental impact
b) Adata centre created by environmentaliststo keep record of green technology, clean production techniques.
c) A data centre for green building for optimizing of power consumption using energy efficient technology
d) Arepository providing information about details ofsmall scale industries adopting energy efficiency measures.
Answer »Answer: (a)
A green data center is a repository for the storage, management and dissemination of mechanical lighting, electrical and computer systems developed to optimiza energy efficiency and environment impact.
Question : 3
After ‘PROM’ is programmed, we can only ____ the information.
a) read and write
b) read
c) write
d) remove
Answer »Answer: (b)
PROM (Programmable Read-Only Memory) is a memory chip on which data can be written only once. Once it is programmed, data is permanent and it cannot be erased.
The information is stored permanently in the memory cell. We can only read that data but cannot write data on it.
Question : 4
Which of the following are valid phases of a computer virus?
a) Only Dormant, Propagation, Triggering, Executing
b) Only Triggering, Executing
c) Only Propagation, Executing
d) Only Dormant, Propagation, Triggering
Answer »Answer: (a)
The valid phases of a virus are:
1. Dormant phase: Propagation phase - Triggering phase - Execution phase.
2. Dormant phase: The virus is idle. The virus will eventually be activated by some event);
3. Propagation phase: The virus places an identical copy of itself into other programs or into certain system areas on the disk. Each infected program will now contain a clone of the virus, which will itself enter a propagation phase;
4. Triggering phase: The virus is activated to perform the function for which it was intended. Can be caused by a variety of system events;
5. Execution phase: The goal of the virus software is performed
Question : 5
Which algorithm is used to decide the path to transfer the packets from source to destination?
a) Selecting
b) Routing
c) Pathing
d) Directing
Answer »Answer: (b)
In order to transfer packets from a sending host to the destination host, the network layer must determine the path that the packets are to follow. Routing is the process by which systems decide where to send a packet.
It directs network packets from their source toward their destination through intermediate network nodes by specific packet forwarding mechanisms.
Question : 6
In Networks, WEP stands for
a) Wired Equivalent Privacy
b) Wireless Equivalent Privacy
c) Wired Extra Privacy
d) Wireless Embedded Privacy
Answer »Answer: (a)
WEP stands for Wired Equivalent Privacy. It is a security algorithm for IEEE 802.11 wireless networks. Introduced as part of the original 802.11 standard ratified in 1997, its intention was to provide data confidentiality comparable to that of a traditional wired network. It was superseded by Wi-Fi Protected Access (WPA) in 2003.
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IT &computer MCQ section 1
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IT &computer MCQ section 7
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