Computer Science Quiz

Questions and Answers

Fortran is primarily used for which type of applications?

General Finance Applications

Business Applications

Scientific Applications (correct)

Marketing Applications

Which component is known as the brain of the computer?

Central Processing Unit (correct)

Arithmetic Logic Unit

Network Interface Card

Control Unit

What does BIOS stand for?

Binary Input Output System

Basic Input Output System (correct)

Basic Internal Operating System

Boot Input Output System

Which printing technology is categorized as a desktop printing method?

Laser Printer Signup and view all the answers

Special purpose computers are designed for what kind of tasks?

Specific Applications Signup and view all the answers

What does DMA stand for in computing?

Direct Memory Access Signup and view all the answers

What type of software includes functions for managing, editing, and debugging?

Utility Software Signup and view all the answers

Which of the following is not a type of computer?

Smartphone Signup and view all the answers

Which command is used to list files with a specific extension in DOS?

DIR D :*.com Signup and view all the answers

What is the maximum length of a filename in Linux?

255 Bytes Signup and view all the answers

Which command is used to sort files in a directory in reverse order?

sort -r directory Signup and view all the answers

In DOS, which command would you use to modify file permissions?

ckmod 167 filename Signup and view all the answers

Which Operating System is not based on Linux?

Bsd Signup and view all the answers

What command is used to display detailed information about files?

ls -l Signup and view all the answers

Which option represents the incorrect method to redirect output in the shell?

command < filename Signup and view all the answers

What symbol is typically used in Linux commands for output redirection?

<blockquote> </blockquote> Signup and view all the answers

Which file permission command would grant read, write, and execute permissions?

chmod 777 file Signup and view all the answers

What is the command to remove files in DOS?

DEL Signup and view all the answers

What does 'VGA' stand for?

Video Graphics Array Signup and view all the answers

Which component is associated with the term 'System Bus'?

System Bus Signup and view all the answers

Which of the following is NOT a legitimate application for computer systems?

A personal weapon Signup and view all the answers

Which type of printer uses ink sprayed through tiny nozzles?

Ink-Jet Printer Signup and view all the answers

What is the value of 1 Kb in Bytes?

1024 Bytes Signup and view all the answers

Which storage medium is not commonly used anymore?

Magnetic Tape Signup and view all the answers

Identify the type of memory that is typically not volatile.

ROM Signup and view all the answers

Which of the following is historically recognized as an early computing device?

Analytical Engine Signup and view all the answers

Which of the following best describes a database file?

Database File Signup and view all the answers

What type of data access method involves reading data in a specific order?

Sequential Signup and view all the answers

Which component is primarily responsible for storing data in a computer system?

Primary Memory Unit Signup and view all the answers

Which generation of computers is known as the first generation?

First Generation Signup and view all the answers

Which device is categorized as an output device?

Line Printer Signup and view all the answers

Which term refers to a method of input where characters are processed one at a time?

Terminal Signup and view all the answers

What does BCD stand for in digital systems?

Binary Coded Decimal Signup and view all the answers

Which of the following is considered a type of storage device?

Disk Signup and view all the answers

What is the purpose of using wildcard characters?

To represent unspecified characters Signup and view all the answers

Which file types are associated with batch processing?

.Bat Signup and view all the answers

What command is used to list files in a directory?

Dir Signup and view all the answers

What does the command 'Chkdsk' primarily analyze?

Hard disk errors Signup and view all the answers

Which command is used to clear the screen in DOS?

Cls Signup and view all the answers

What type of commands are 'Copy' and 'X Copy' classified as?

External commands Signup and view all the answers

Which file is primarily responsible for setting user environment in DOS?

Autoexec.Bat Signup and view all the answers

What is the main function of the command 'Format'?

To prepare a disk for use Signup and view all the answers

Study Notes

Computer Memory and Software Concepts

Kilobyte (KB), Megabyte (MB), Gigabyte (GB), Terabyte (TB), and Petabyte (PB) are units of digital information.
Fortran is primarily regarded as a scientific programming language.
The type of computer that typically operates under direct user control is known as the Central Processing Unit (CPU).
BIOS stands for Basic Input Output System, essential for booting a computer.
Laser Printer is commonly used for high-quality desktop printing.
Special Purpose Computers are designed for specific tasks, contrasting with General Purpose Computers which can handle a variety of tasks.
The maximum size for floppy disks in use is 8 inches.
DMA refers to Direct Memory Access, a feature to allow peripherals to access memory without CPU involvement.
System Software, including operating systems and utilities, manages computer hardware and software resources.

Computer Hardware and Functions

Minicomputer is a term for mid-sized computers, while laptop and notebook computers are portable.
ENIAC, ABC, Univac, and EDVAC are early computers, but not all are computers from the same technology generation.
Databases consist of data records for efficient information retrieval.
Input devices include keyboards and mice, while output devices include printers and monitors.
Magnetic Tape is an older data storage technology not commonly used today.
First Generation Computers relied on vacuum tubes.
Video Graphics Array (VGA) is a standard for computer graphics display.

DOS Commands and File Management

DOS wildcards (*) and (?) are used for wildcard characters in file searching.
Key DOS files include ibmbio.com, ibmdos.com, and command.com.
.bat, .com, and .exe define specific file types in DOS.
The CHKDSK command is used to analyze and fix hard disk errors.
The AUTOEXEC.BAT file defines commands executed when the computer boots.
Copy and XCopy commands perform different file duplication actions within DOS.
CLS is the command used to clear the screen in DOS.
RD is the command for removing a directory.

Linux Operating System Concepts

File name length limitations in various operating systems, such as Linux, can range from 128 to 255 bytes.
Ubuntu, Redhat, and CentOS are examples of popular Linux distributions, while BSD is not based on Linux.
The 'ls' command is used to list directory contents in Unix-like operating systems such as Linux.

These notes summarize critical concepts in computer memory, software, hardware components, DOS commands, and Linux system structure.

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Description

Test your knowledge in computer science concepts with this quiz. Covering topics such as data storage units and programming languages, this quiz will challenge your understanding and critical thinking in the field. Perfect for students and enthusiasts alike!