Ekvij provides chapter wise online exams in basic computer knowledge for preparation of competitive exams. chapters in basic computer knowledge are computer security, personal computer, development of computer,operating system,design tools and programming languages, microsoft windows,data representation,microsoft office,data communication and networking,memory,data base concepts,internet and its services,computer software,input and output device,general introduction.
computer security
Online exam in Computer Security for Competitive exams like UPSC & State Level PSCs Exams, SSC, Railways, IBPS, SBI & Its Associates, RBI, Bank PO/MT, Clerical, RRBs, MBA, MCA, BBA, BCA, BBS.
Mechanism to protect network from outside attack is
- firewall
- antivirus
- digital signature
- formatting
- none of these
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Online exam in Computer Security
computer software
The primary purpose of software is to turn data into
- information
- programs
- objects
- charts
- none of these
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Online exam in computer software
1. Question
The software tool that enables a user to interact with a computer for specific purposes are known as
- hardware
- network software
- shareware
- applications
- none of these
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Online exam in computer software
database concepts
In an ER diagram,attributes are represented by
- rectangle
- square
- ellipse
- triangle
- none of these
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online exam in database concepts
Question
Which of the following contains information about a single ‘entity’ in the database like a person,place,event or thing?
- query
- form
- record
- table
- none of these
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online exam in database concepts
data communication and networking
Question
A packet filtering firewall operates at which of the following OSI layers?
- at the application layer
- at the transport layer
- at the network layer
- at the gateway layer
- none of these
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online exam in data communication and networking
Question
Which of the following item is not used in LANs?
- interface
- cable
- computer
- modem
- none of these
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online exam in data communication and networking
data representation
What is the value of the binary number 101?
- 3
- 5
- 6
- 101
- 7
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online exam in data representation
Question
Which of the following is not a binary number?
- 001
- 101
- 202
- 110
- 011
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online exam in data representation
Question
The time bit is short for _______
- Megabyte
- Binary language
- Binary digit
- Binary number
- None of these
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online exam in data representation
Question
In the binary language each letter of the alphabet, each number and each special character is made up of a unique combination of _______
- eight bytes
- eight kilobytes
- eight characters
- eight bits
- none of these
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online exam in data representation
programming languages
Computer programs are written in a high level programming language, however the human readable version of a program is called _________
- Cache
- Instruction set
- Source code
- Word size
- None of these
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online exam in programming language
history of computer generation
Question 1
The most powerful computer is ____
- Super computer
- Micro computer
- Mini computer
- All of these
- None of these
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online exam in history of computer generation
Question 1
First super computer developed in India is _____
- Param
- Aryabhatt
- Buddha
- Ram
- None of these
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online exam in history of computer generation
Question 1
Which of the following is first generation of computer ?
- ENIAC
- IBM-1401
- ASCII
- None of these
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online exam in history of computer generation
introduction to computer
Online exam in introduction to computer
Online exam in introduction to computer