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) composite
(b) primary
(c) candidate
(d) foreign
The correct answers to the above question in:
Answer: (b)
An attribute that uniquely identifies the rows of a table is known as the primary key.
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Read more it and computer Based General Awareness Questions and Answers
Question : 1
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.
Question : 2
______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 : 3
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 : 4
‘IC’ in computers stands for
a) Integrated Circuits
b) Integrated Charge
c) Integrated Current
d) Internal Circuits
Answer »Answer: (a)
IC, or An integrated circuit is a small wafer, usually made of silicon, that can hold anywhere from hundreds to millions of transistors, resistors, and capacitors. These extremely small electronics can perform calculations and store data using either digital or analog technology.
Question : 5
Which of the following is used to protect objects in computer system, in the absence of more complete protection schemes?
a) passwords
b) digital certificate
c) digital signature
d) tokens
Answer »Answer: (a)
Passwords are often used to protect objects in the computer system, in the absence of more complete protection schemes. They can be considered a special case of either keys or capabilities. Passwords are the most common approach to authenticating a user identity.
Question : 6
Which of the following memory chip is programmed during the manufacturing process?
a) ROM
b) Ram
c) PROM
d) EEPROM
Answer »Answer: (a)
Read-only memory (ROM) is a class of storage medium used in computers and other electronic devices. It is programmed during manufacturing process.
GET IT & computer PRACTICE TEST EXERCISES
IT &computer MCQ section 1
IT &computer MCQ section 2
IT &computer MCQ section 3
IT &computer MCQ section 4
IT &computer MCQ section 5
IT &computer MCQ section 6
IT &computer MCQ section 7
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