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) BASIC
(b) LOGO
(c) PILOT
(d) JAVA
The correct answers to the above question in:
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.
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Read more it and computer Based General Awareness Questions and Answers
Question : 1
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 : 2
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 : 3
In networks, a small message used to pass between one station to another is known as
a) Word
b) Token
c) Byte
d) Ring
Answer »Answer: (b)
Token is an efficient form of message passing frequently used in ring networks. It consists of a very short message that circulates around the ring in a logical direction when devices are idle. To transmit, the device must seize the token. Token provides fair access for all stations, and eliminates the collisions of contention-based access methods.
Question : 4
The term ODBC stands tor:
a) Open Database Connectivity.
b) Object Database Communication.
c) Open Database Communication.
d) Object Database Connectivity
Answer »Answer: (a)
ODBC : Open Database Connectivity
Question : 5
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 : 6
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.
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