IT &computer MCQ section 7 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general awareness mcq - 7 EXERCISES
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The following question based on IT & computer topic of general awareness mcq
(a) Open Database Connectivity.
(b) Object Database Communication.
(c) Open Database Communication.
(d) Object Database Connectivity
The correct answers to the above question in:
Answer: (a)
ODBC : Open Database Connectivity
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Read more it and computer Based General Awareness Questions and Answers
Question : 1
A computer programming language often used by children is
a) BASIC
b) LOGO
c) PILOT
d) JAVA
Answer »Answer: (b)
LOGO is a computer programming language used for functional programming, and is used for generating basic shapes using a turtle cursor. It was developed for children experimenting their first programming steps. It guides kids step by step with the basics of computers programming.
Question : 2
Which of the following statement is true?
a) Foreign keys can’t have null values
b) A Primary key is also a candidate key
c) Each relation has at least one foreign key
d) A Primary key is also an alternate key
Answer »Answer: (b)
Primary Key is a column or a combination of columns that uniquely identify a record. Only one Candidate Key can be Primary Key. For a Candidate Key to qualify as a Primary Key, it should be unique and non-null. So, basically a primary key is just one of the candidate keys, which is a just a minimal super key.
Question : 3
What is the full form of PDA?
a) Personal Digital Addition
b) Personal Digital Assistant
c) Personal Data Addition
d) Peripheral Digital Assistant
Answer »Answer: (b)
The acronym PDA stands for Personal Digital Assistant. Also known as a handheld PC, or personal data assistant, it is a mobile device that functions as a personal information manager.
The term evolved from Personal Desktop Assistant, an application that prompts or prods the user of a computer with suggestions or provides a quick reference to contacts and other lists.
Question : 4
A ‘bug’ in a programme is a
a) Signature
b) Statement
c) Error
d) Both (A) and (B)
Answer »Answer: (c)
A software bug is an error, flaw, mistake, failure, or fault in a computer program or system that produces an incorrect or unexpected result, or causes it to behave in unintended ways.
Most bugs arise from mistakes and errors made by people in either a program's source code or its design, and a few are caused by compilers producing incorrect code.
Question : 5
The term PC means :
a) Professional Calculator
b) Private Computer
c) Personal Calculator
d) Personal Computer
Answer »Answer: (c)
A personal computer (PC) is a digital computer designed for use by only one person at a time. A typical personal computer assemblage consists of a central processing unit (CPU) two types of computer memory and various input/output devices, including a display screen, keyboard and mouse, modem, and printer.
Question : 6
Which one of the following is an optical disk ?
a) Worm disk
b) Jaz disk
c) Super disk
d) Zip disk
Answer »Answer: (c)
An optical disc is an electronic data storage medium that can be written to and read using a low-powered laser beam. Super disk is an optical disk.
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IT &computer MCQ section 1
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IT &computer MCQ section 7
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