R4RIN – MCQs, Mock Tests | UPSC,PCS,CDS,NDA Computer Awareness MCQ Competitive Exam

____ is the science revolving around the use of nanostructures to build devices on an extremely small scale.

1. Nanotechnology
2. Micro-technology
3. Computer forensics
4. Artificial intelligence

✅ Correct Answer: 1

Which of the following is the correct order of the four major functions of a computer?

1. Process a Output a Input a Storage
2. Input a Output Process a Storage
3. Process a Storage a Input a Output
4. Input a Process a Output a Storage

✅ Correct Answer: 4

______ bits equal one byte.

1. Eight
2. Two
3. One thousand
4. One million

✅ Correct Answer: 1

The binary language consists of ____________ digit (s).

1. 8
2. 2
3. 1,000
4. 1

✅ Correct Answer: 2

A byte can hold one ____________ of data.

1. bit
2. binary digit
3. character
4. kilobyte

✅ Correct Answer: 3

____ controls the way in which the computer system functions and provides a means by which users can interact with the computer.

1. The platform
2. The operating system
3. Application software
4. The motherboard

✅ Correct Answer: 2

The operating system is the most common type of ____________ software.

1. communication
2. application
3. system
4. word-processing software

✅ Correct Answer: 3

____ are specially designed computer chips that reside inside other devices; such as your car or your electronic thermostat.

1. Servers
2. Embedded computers
3. Robotic computers
4. Mainframes

✅ Correct Answer: 2

The steps and tasks needed to process data; such as responses to questions or clicking an icon; are called:

1. instructions
2. the operating system.
3. application software
4. the system unit

✅ Correct Answer: 1

The two broad categories of software are:

1. word processing and spreadsheet.
2. transaction and application
3. Windows and Mac OS
4. system and application

✅ Correct Answer: 4

The metal or plastic case that holds all the physical parts of the computer is the:

1. system unit
2. CPU
3. mainframe
4. platform

✅ Correct Answer: 1

Programs from the same developer; sold bundled together; that provide better integration and share common features; toolbars and menus are known as....

1. software suites
2. integrated software packages
3. software processing packages
4. personal information managers

✅ Correct Answer: 1

A data warehouse is which of the following?

1. Can be updated by the end users
2. Contains numerous naming conventions and formats
3. Organized around important subject areas
4. Contains only current data

✅ Correct Answer: 3

__________ servers store and manages files for network users.

1. Authentication
2. Main
3. Web
4. File

✅ Correct Answer: 4

All of the following are examples of real security and privacy risks Except _____

1. hackers
2. spam
3. viruses
4. identify theft

✅ Correct Answer: 2

_____ terminals (formerly known as cash registers) are often connected to complex inventory and sales computer systems.

1. Data
2. Sales
3. Query
4. (Point-of-sale (POS)

✅ Correct Answer: 2

The OSI model is divided into _______ processes called layers.

1. five
2. six
3. seven
4. eight

✅ Correct Answer: 3

System software is the set of programs that enables your computer’s hardware devices and ______ software to work together.

1. management
2. processing
3. utility
4. application

✅ Correct Answer: 4

____ are specially designed computer chips reside inside other devices; such as your car or your electronic thermostat.

1. Servers
2. Embedded computers
3. Robotic computers
4. Mainframes

✅ Correct Answer: 2

The following are all computing devices ; except.........

1. notebook computers
2. cellular telephones
3. digital scanners
4. personal digital assistants

✅ Correct Answer: 3

in a ring topology; the computer in possession of the ______ can transmit data

1. packet
2. data
3. access method
4. token

✅ Correct Answer: 4

This part of operating system manages the essential peripherals; such as the keyboard; screen ; disk drives; and parallel and serial ports ____

1. basic input/output system
2. secondary input/output system
3. peripheral input/output system
4. marginal input/output system

✅ Correct Answer: 1

____ Viruses are often transmitted by a floppy disk left in the floppy drive

1. Trojan horse
2. Boot sector
3. Script
4. Logic bomb

✅ Correct Answer: 2

____ controls the way in which the computer system functions and provides a me Ans: by which users can interact with the computer.

1. The platform
2. Application software
3. Operating system
4. The motherboard

✅ Correct Answer: 3

Servers are computers that provide resources to other computers connected to a ______

1. mainframe
2. network
3. supercomputer
4. client

✅ Correct Answer: 2

A goal of data mining includes which of the following?

1. To explain some observed event or condition
2. To confirm that data exists
3. To analyses data for expected relationships
4. To create a new data warehouse

✅ Correct Answer: 1

URL stands for ....

1. Universal Research List
2. Universal Resource List
3. Uniform Resource Locator
4. Uniform Research Locator

✅ Correct Answer: 3

A database management system (DBMS) is a .....

1. hardware system used to create; maintain and provide controlled access to a database
2. hardware system used to create; maintain; and provide uncontrolled access to a database.
3. software system used to create; maintain; and provide uncontrolled access to a database.
4. software system used to create; maintain; and provide controlled access to a database.

✅ Correct Answer: 4

Which of the following is NOT a goal of transaction processing system?

1. Capture; process and store transactions
2. Produce a variety of documents related to routine business activities
3. Reduce manual effort associated with processing business transactions
4. Produce standard reports used for management decision making

✅ Correct Answer: 2

A Proxy server is used for which of the following?

1. To provide security against unauthorized users
2. To process client requests for web pages
3. To process client requests for database access
4. To provide TCP/IP

✅ Correct Answer: 2

When data changes in multiple lists and all lists are not updated; this causes:

1. data redundancy
2. information overload
3. duplicate data
4. duplicate data

✅ Correct Answer: 4

_______ are words that a programming language has set aside for its own use.

1. Control worlds
2. Reserved words
3. Control structures
4. Reserved keys

✅ Correct Answer: 2

What is the primary difference between a virus and a worm?

1. A worm has the ability to self-propagate from an infected user’s computer to other computers
2. A worm is usually written by a cracker: Script bunnies do not have the skills to develop a worm program
3. A virus is very harmful to the computers it infects : a worm is not a serious a problem
4. Anti-virus software is effective in fighting viruses but not worms

✅ Correct Answer: 4

_____ describe what is database fields.

1. Structures
2. Field markers
3. Field definition
4. Field names

✅ Correct Answer: 4

You must install a (n) ____________ on a network if you want to share a broadband Internet connection.

1. router
2. modem
3. node
4. cable

✅ Correct Answer: 1

A goal of normalization is to _____

1. minimize the number of relationships
2. minimize the number of entities
3. minimize the number of tables
4. minimize the number of redundancy

✅ Correct Answer: 4

Granting an outside organization access to internet web pages is often implemented using a (n) ____

1. extrane
2. intranet
3. internet
4. hacker

✅ Correct Answer: 1

Which term identifies a specific computer on the web and the main page of the entire site

1. URL
2. Web site address
3. Hyperlink
4. Domain name

✅ Correct Answer: 1

The code that relational database management systems use to perform their database task is referred to as....

1. QBE
2. SQL
3. OLAP
4. Sequel Server

✅ Correct Answer: 2

Chip is a common nickname for a (n):

1. transistor
2. resistor
3. integrated circuit
4. semiconductor

✅ Correct Answer: 3

The purpose of the primary key in a database is to:

1. unlock the database
2. provide a map of the data
3. uniquely identify a record
4. establish constraints on database operations.

✅ Correct Answer: 2

A _________ contains specific rules and words that express the logical steps of an algorithm.

1. programming language
2. syntax
3. programming structure
4. logic chart

✅ Correct Answer: 3

The design of the network is called the network:

1. architecture
2. server
3. transmission
4. type

✅ Correct Answer: 1

The most frequently used instructions of a computer program are likely to be fetched from:

1. the hard disk
2. cache memory
3. RAM
4. registers

✅ Correct Answer: 2

The ____________ contains data descriptions and defines the name; data type; and length of each field in the database.

1. data dictionary
2. data table
3. data record
4. data field

✅ Correct Answer: 1

Personal logs or journal entries posted on the Web are known as:

1. listservs
2. Webcasts
3. blogs
4. subject directories

✅ Correct Answer: 3

A (n) _______ uses pictures (called icons) and menus displayed on the screen to send commands to the computer system.

1. command - based user interface
2. GUI
3. system utility
4. API

✅ Correct Answer: 2

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Computer Awareness MCQ Competitive Exam - Sample Test 5