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) Distributed Processing
(b) Multi user
(c) Real-Time Processing
(d) Single user
The correct answers to the above question in:
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.
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Read more it and computer Based General Awareness Questions and Answers
Question : 1
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 : 2
In the following list of devices, which device is used in datalink layer?
a) Application gateway
b) Repeaters
c) Routers
d) Bridge
Answer »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.
Question : 3
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 : 4
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.
Question : 5
______is cross between human language and a programming language.
a) Java
b) Pseudo code
c) The java Virtual Machine
d) The compiler
Answer »Answer: (b)
Pseudocode is an informal high-level description of the operating principle of a computer program or other algorithm. It uses the structural conventions of a programming language, but is intended for human reading rather than machine reading.
Question : 6
Which of the following is not a Hardware ?
a) Mouse
b) Processor chip
c) Printer
d) Java
Answer »Answer: (d)
Processor chip, Printer and Mouse are hardware while JAVA is software.
Java is a programming language originally developed by James Gosling at Sun Microsystems (which has since merged into Oracle Corporation) and released in 1995 as a core component of Sun Microsystems’ Java platform.
The language derives much of its syntax from C and C++, but it has fewer low-level facilities than either of them.
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IT &computer MCQ section 1
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IT &computer MCQ section 4
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IT &computer MCQ section 6
IT &computer MCQ section 7
IT & computer Shortcuts and Techniques with Examples
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