IT &computer MCQ section 4 MCQ Questions & Answers Detailed Explanation
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The following question based on IT & computer topic of general awareness mcq
(a) Application gateway
(b) Repeaters
(c) Routers
(d) Bridge
The correct answers to the above question in:
Answer: (d)
The Data Link layer is the second layer of the seven-layer Open Systems Interconnection (OSI) model of computer networking at which meaning is assigned to the bits that are transmitted over the network. Two types of Data Link layer devices are commonly used on networks: bridges and switches.
A bridge is an intelligent repeater that is aware of the MAC addresses of the nodes on either side of the bridge and can forward packets accordingly.
A switch is an intelligent hub that examines the MAC address of arriving packets in order to determine which port to forward the packet to.
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Read more it and computer Based General Awareness Questions and Answers
Question : 1
In programming, repeating some statements is usually called
a) Looping
b) Compiling
c) Structure
d) Control structure
Answer »Answer: (a)
Looping is used in programming to save the tedium of many repetitive tasks. One of the main uses of loops in programs is to carry out repetitive tasks. A loop executes one or more lines of code (statements) as many times as one wants.
Question : 2
CRM in the context of software applications means.
a) Customer Relationship Management
b) Customer’s Relatives Meet
c) Channel Route Market
d) Customer Retention Manager
Answer »Answer: (a)
Customer relationship management (CRM) is a model for managing a company’s interactions with current and future customers. It involves using technology to organize, automate, and synchronize sales, marketing, customer service, and technical support.
Question : 3
Processing of a data file to reduce its size for storage on disk is termed :
a) Compression
b) Amplification
c) Reduction
d) Rarefaction
Answer »Answer: (a)
The process of reducing the size of a data file is popularly referred to as data compression, although its formal name is source coding. Compression is useful because it helps reduce resources usages, such as data storage space or transmission capacity.
Because compressed data must be decompressed to use, this extra processing imposes computational or other costs through decompression.
Question : 4
Which among the following standard protocols is the most widely used by the Internet ?
a) SMTP
b) HTTP
c) TCP/IP
d) SLIP
Answer »Answer: (c)
The Internet protocol suite is the set of communications protocols used for the Internet and similar networks, and generally the most popular protocol stack for wide area networks.
It is commonly known as TCP/IP, because of its most important protocols: Transmission Control Protocol (TCP) and Internet Protocol (IP), which were the first networking protocols defined in this standard.
Question : 5
The UNIX operating system is suitable for
a) Distributed Processing
b) Multi user
c) Real-Time Processing
d) Single user
Answer »Answer: (b)
Unix is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, developed in the 1970s at the Bell Labs. It provides separate logins for each user and separate storage space. Most importantly it supports separate security for users and groups.
Question : 6
The symbols used in an assembly language are
a) Assembler
b) Codes
c) Mnemonics
d) Machine codes
Answer »Answer: (c)
Assembly language uses a mnemonics to represent each low-level machine operation or opcode. Some opcodes require one or more operands as part of the instruction, and most assemblers can take labels and symbols as operands to represent addresses and constants, instead of hard coding them into the program.
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