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Online Computer Exam Questions for Students
Quick Quiz
What is the term for making changes to an already created file?
a) Creating
b) Editing
c) Modifying
d) Adjusting
e) None of these
Option b – Editing
What best describes virtual memory in a computer system?
a) Storage space on the hard disk used as additional RAM
b) A part of RAM
c) Required only if RAM is absent
d) Backup for floppy disks
e) None of these
Option a – Storage space on the hard disk used as additional RAM
Which number system is primarily used by computers to process and store data? ( Youth Computer Training Center Online Exam MCQs )
a) Decimal
b) Hexadecimal
c) Octal
d) Binary
e) None of these
Option d – Binary
To make a laptop function like a desktop, it should be connected to a:
a) Bay
b) Docking station
c) Port
d) Network
e) None of these
Option b – Docking station
The tab key on a keyboard is used for: ( Youth Computer Training Center Online Exam MCQs )
a) Moving the cursor horizontally
b) Indenting text in a paragraph
c) Moving the cursor vertically
d) Both a and b
e) None of these
Option d – Both a and b
A group of associated files is referred to as a:
a) Character
b) Field
c) Database
d) Record
e) None of these
Option d – Record
What type of storage keeps data safe even after the system is turned off?
a) Volatile
b) Non-volatile
c) Sequential
d) Direct
e) None of these
Option b – Non-volatile
Which of the following provides online connectivity? ( Youth Computer Training Center Online Exam MCQs )
a) Internet
b) Floppy disk
c) Power cable
d) Data
e) None of these
Option a – Internet
Identifying and fixing errors in a software program is called:
a) Compiling
b) Testing
c) Running
d) Debugging
e) None of these
Option b – Testing
What defines the rules and structure to express an algorithm? ( Youth Computer Training Center Online Exam MCQs )
a) Syntax
b) Programming structure
c) Programming language
d) Logic chart
e) None of these
Option a – Syntax
Which of these is considered the most powerful category of computers?
a. Mainframe
b. Superconductor
c. Microcomputer
d. Supercomputer
Option d – Supercomputer
What component is commonly found in today’s computers? ( Youth Computer Training Center Online Exam MCQs )
a. Magnetic cores for secondary storage
b. LSI chips
c. Magnetic tape as primary memory
d. Over 10,000 vacuum tubes
Option b – LSI chips
What term refers to a unit consisting of 8 bits?
a. Byte
b. Record
c. Word
d. Nibble
Option a – Byte
What allows general-purpose computers to perform various tasks? ( Youth Computer Training Center Online Exam MCQs )
a. Output Device
b. Input Device
c. Program
d. Processor
Option c – Program
Supercomputers are most suitable for which type of task?
a. Complex scientific computations
b. Data fetching
c. Input-output based work
d. All of these
Option a – Complex scientific computations
Which of the following was an early example of a mainframe computer?
a. UNIC
b. FUNTRIA
c. BRAINIA
d. ENIAC
Option d – ENIAC
What were second-generation computers built using? ( Youth Computer Training Center Online Exam MCQs )
a. Vacuum Tubes
b. Transistors
c. LSI
d. VLSI
Option b – Transistors
What was the core technology behind first-generation computers?
a. Second Generation
b. Vacuum Tube
c. Both A & B
d. LSI
Option b – Vacuum Tube
What is the key feature of fifth-generation computing systems? ( Youth Computer Training Center Online Exam MCQs )
a. Artificial Intelligence
b. Programming Intelligence
c. System Knowledge
d. VVLSI
Option a – Artificial Intelligence
How many generations of computers are there?
a. 3
b. 4
c. 5
d. 6
Option c – 5
Which storage medium is ideal for storing small data volumes? ( Youth Computer Training Center Online Exam MCQs )
a. Magnetic card
b. Magnetic tape
c. Punched card
d. Optical mark reader
Option a – Magnetic card
Which device captures handwritten input and converts it for computer processing? ( Youth Computer Training Center Online Exam MCQs )
a. Touch panel
b. Mouse
c. Wand
d. Writing tablet
Option d – Writing tablet
What is the term for transforming high-level code into a format that can run on a computer?
a. Assembling
b. Compiling
c. Translating
d. Uploading
Option b – Compiling
Which device is used to visually present information to users? ( Youth Computer Training Center Online Exam MCQs )
a. Monitor
b. Keyboard
c. Secondary Storage devices
d. Secondary Storage Media
Option a – Monitor
What type of code does an assembler convert? ( Youth Computer Training Center Online Exam MCQs )
a. A low-level language
b. Machine Language
c. A high-level language
d. Assembly language
Option d – Assembly language
What is the operating system’s function when running multiple programs simultaneously on one CPU?
a. Multiprocessing
b. Multi-tasking
c. Multiprogramming
d. Multi-execution
Option b – Multi-tasking
Which of the following is not considered computer hardware? ( Youth Computer Training Center Online Exam MCQs )
a. An MP3 file
b. A keyboard
c. A disk drive
d. A Monitor
Option a – An MP3 file
Which option is not a hardware component? ( Youth Computer Training Center Online Exam MCQs )
a. Mouse
b. Printer
c. Monitor
d. Excel
Option d – Excel
What term describes external hardware connected to a computer system? ( Youth Computer Training Center Online Exam MCQs )
a. Clip art
b. Highlight
c. Execute
d. Peripherals
Option d – Peripherals
What are software applications created for general or specific tasks called?
a. Operating system
b. System Software
c. Application software
d. Management information systems
Option c – Application software
Which category includes low-level programming languages?
a. BASIC, COBOL, Fortran
b. Prolog, Expert systems
c. Knowledge-based systems
d. Assembly languages
Option d – Assembly languages
What type of language is used to write source programs?
a. High level
b. English
c. Symbolic
d. Temporary
Option a – High level
Which generation of languages focuses on describing the task rather than the process? ( Youth Computer Training Center Online Exam MCQs )
a. 1st generation
b. 2nd generation
c. 3rd generation
d. 4th generation
Option d – 4th generation
Java is classified as a ( Youth Computer Training Center Online Exam MCQs )
a. High-Level Language
b. Complex Language
c. Hardware Device Driver
d. Low-Level Language
Option a – High-Level Language
What do you call a series of steps used to solve a problem? ( Youth Computer Training Center Online Exam MCQs )
a. Algorithm
b. Hardware Program
c. Software
d. Firmware Program
Option a – Algorithm
C, BASIC, COBOL, and Java are all types of which language?
a. Low level
b. Computer programming
c. System Programming
d. High Level
Option d – High Level
What are the instructions that guide a computer in processing tasks?
a. Programs
b. Processors
c. Input devices
d. Memory Modules
Option a – Programs
What is the human-readable version of a program written in a high-level language called? ( Youth Computer Training Center Online Exam MCQs )
a. Word Size
b. Source code
c. Instruction Set
d. Application
Option b – Source code
In COBOL, what does ‘CO’ stand for?
a. Common object
b. Common oriented
c. Common operating
d. None of these
Option b – Common oriented
Which of the following uses a specific set of rules and terms to define the steps of an algorithm?
a. Programming language
b. Syntax
c. Programming structure
d. Logical Chart
Option b – Syntax
a. Block
b. Record
c. Tuple
d. Table
Option d – Table
In the relational model, what does cardinality refer to?
a. Number of tuples
b. Number of attributes
c. Number of tables
d. Number of constraints
Option a – Number of tuples
What is used to establish connections between tables in a database?
a. Primary Key
b. Secondary Key
c. Foreign Key
d. Composite Key
Option c – Foreign Key
A logical schema is best described as ( Youth Computer Training Center Online Exam MCQs )
a. The entire collection of database data
b. A conventional method of structuring data
c. The method by which data is saved on the disk
d. All of the above
Option b – A conventional method of structuring data
Which type of entity set lacks enough attributes to define a primary key?
a. Strong entity set
b. Weak entity set
c. Simple entity set
d. Primary entity set
Option b – Weak entity set
What does an E-R diagram visually represent? ( Youth Computer Training Center Online Exam MCQs )
a. Primary keys and their links
b. Primary keys and their relation to instances
c. Entity types and their associations
d. Entity classes and their relationships
Option c – Entity types and their associations
Before giving access, a computer system verifies the username and password using the
a. Website
b. Network
c. Backup file
d. Database
Option d – Database
Which search engine currently dominates the market in terms of user queries?
a. Ask.com
b. Yahoo
c. Bing
d. Google
Option d – Google
Which Excel function converts text-formatted dates into proper serial date values? ( Youth Computer Training Center Online Exam MCQs )
a. DATEVALUE()
b. TODAY()
c. NETWORKDAYS()
d. EDATE()
Option a – DATEVALUE()
In MS Word, what does the Page Down key do?
a. Jumps to the last page of a multi-page document
b. Moves the cursor one paragraph downward
c. Moves the cursor down one line
d. Scrolls the screen down by one page
Option d – Scrolls the screen down by one page
Where are bulk unwanted emails typically stored?
a. Inbox
b. Draft
c. Spam
d. Trash
Option c – Spam
Which of the following is a valid function in MS Excel? ( Youth Computer Training Center Online Exam MCQs )
a. ADD
b. RANGE
c. FORMULA
d. SUM
Option d – SUM
In Excel, how do you select multiple non-adjacent worksheets?
a. Alt
b. Tab
c. Esc
d. Ctrl
Option d – Ctrl
a. Alt + F
b. Alt + C
c. Alt + H
d. Alt + G
Option a – Alt + F
What part is not included in an email address?
a. Email provider’s domain
b. Username
c. User domain
d. @ symbol
Option c – User domain
Which of these is considered poor internet etiquette? ( Youth Computer Training Center Online Exam MCQs )
a. Keeping attachment sizes small
b. Forwarding unsolicited messages
c. Adding your name at the end of emails
d. Using abbreviations responsibly
Option b – Forwarding unsolicited messages
Which type of manual provides instructions on using a software application?
a. Documentation
b. Programming
c. User
d. Technical
Option c – User
How does a CPU send data to external devices?
a. Modems
b. Computer Ports
c. Interfaces
d. Buffer Memory
Option b – Computer Ports
What type of software handles technical operations and assists other applications? ( Youth Computer Training Center Online Exam MCQs )
a. Communication software
b. System software
c. Application software
d. Utility software
Option b – System software
a. System Software
b. Operating system
c. Utility Software
d. Application software
Option d – Application software
What does the term “software” refer to?
a. Physical parts of a computer
b. Middleware or firmware
c. Programs
d. None of the above
Option c – Programs
Which tool executes one program statement at a time? ( Youth Computer Training Center Online Exam MCQs )
a. Converter
b. Compiler
c. Instructor
d. Interpreter
Option d – Interpreter
What is the name for software that manages computer hardware and application programs?
a. Application suite
b. Compiler
c. Input/Output system
d. Operating System
Option d – Operating System
What is the term for the time needed to retrieve data and instructions for the CPU? ( Youth Computer Training Center Online Exam MCQs )
a. Clock speed
b. Processing cycle
c. CPU speed
d. Access time
Option b – Processing cycle
What controls system functionality and enables user interaction?
a. Platform
b. Operating system
c. Application software
d. Motherboard
Option b – Operating system
What term describes data that is trustworthy and correct in a database? ( Youth Computer Training Center Online Exam MCQs )
a. Data redundancy
b. Data integrity
c. Data reliability
d. Data consistency
Option b – Data integrity
What is a private internal network used exclusively by a company called?
a. Internet
b. Local area network
c. Peer-to-peer
d. Intranet
Option d – Intranet
Which of the following is a function of a file server?
a. Manages shared file tasks over a network
b. Handles file operations on a single PC
c. Operates as a fat client shared over a network
d. Functions as a fat client on one PC
Option a – Manages shared file tasks over a network
Who manufactures Athlon processors?
a. Intel
b. AMD
c. Microsoft
d. Oracle
Option b – AMD
Who is known as the chief architect of Microsoft?
a. Paul Allen
b. Bill Gates
c. Lany Elesem
d. Midinda
Option b – Bill Gates
Who created the Apple Macintosh computer? ( Youth Computer Training Center Online Exam MCQs )
a. Bill Gates
b. Steve Jobs
c. Larry Ellison
d. IBM
Option b – Steve Jobs
What does IBM stand for?
a. International Business Machinery
b. International Branded Machines
c. Indian Business Management
d. Indian Buran Management
Option a – International Business Machinery
Which unit is roughly equal to one million bytes? ( Youth Computer Training Center Online Exam MCQs )
a. Gigabyte
b. Kilobyte
c. Megabyte
d. Terabyte
Option c – Megabyte
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