DCIT 101: Computer Fundamentals Quiz

DCIT 101 First Quiz

• When a file is deleted from the computer and the recycle bin is emptied, it remains on the hard drive until overwritten.
• Alan Turing is considered the modern father of computer science.
• Intel Core i9 is faster than Intel Core i7, which is faster than Intel Core i5.
• The first generation of computers used vacuum tubes.
• Compiler is not a type of computer memory.
• The function of a motherboard in a computer is to connect all hardware components.
• URL stands for Uniform Resource Locator.
• Grace Hopper developed the first compiler.
• BIOS stands for Basic Input Output System.
• The purpose of an IP address in networking is to uniquely identify a device on a network.
• Worm is a type of malware that replicates itself without needing a host file.
• Terabyte is the largest among the given storage units.
• GHz measures the speed of a processor.
• Cache memory stores frequently accessed data for quick retrieval.
• An AND logic gate produces an output of 1 only when both inputs are 1.
• A Hard Drive is an example of secondary storage.
• FTP is a protocol used for file transfer.
• IP in IP Address stands for Internet Protocol.
• A main role of the operating system in managing I/O devices is to provide an interface between applications and hardware.
• Google Drive is a cloud storage service.
• Prolog is used primarily for artificial intelligence.
• Object-Oriented Programming focuses on objects and their interactions.

DCIT 101 Second Quiz

• The primary purpose of a firewall in computer networks is protecting against unauthorized access.
• Linux is an example of an open-source operating system.
• The role of a compiler in programming is to translate an entire program into machine code before execution.
• Python is an example of a high-level programming language.
• DVD is an example of an optical storage device.
• Alan Turing is considered the father of computer science.
• The most efficient way to correct consistently misspelled names is to use Find and Replace.
• To make text stand out, apply text effects, italicize it, or bold it.
• The APA term for a works cited list is References list.
• The keyboard shortcut to delete an entire word is CTRL+DEL or CTRL+BACKSPACE.
• To change SmartArt to a warm color palette, change the colors.
• To change a table's outside border to red, use Border Pen Color to red, then Outside Borders.
• It is true that you can create a new document with a blank or template.
• To change footnotes to Roman numerals, change the Number Format in the Footnote and Endnote dialogue box.
• The base of the hexadecimal number system is 16.
• Roman Numerals is not a positional number system.
• When you add 1 to the largest positive number in two's complement, overflow occurs.
• The binary number system is used by most modern computers.
• The smallest addressable unit of memory is a Byte.
• The two's complement of 00001100 is 11110100.
• The octal equivalent of decimal 20 is 24.
• Roman is not a positional number system.
• The primary purpose of data representation is to store and process information efficiently.
• The primary characteristic of binary numbers is that it uses only 0s and 1s.
• The main advantage of using two's complement is that it simplifies arithmetic operations.
• 1011 in binary is 11 in decimal.
• The number system used by digital computers is binary.
• The binary equivalent of decimal 10 is 1010.
• The hexadecimal number system is represented by 0-9, A-F.
• The result of converting decimal 25 to binary is 11001.
• A nibble consists of 4 bits.
• Base 5 is not a standard computer number system.
• The two's complement of 0010 is 1110.
• Information is best defined as processed data with meaning.
• 101010 is a binary number.
• Hexadecimal uses 16 symbols.
• The two's complement of -10 in 8 bits is 11110110.
• The range for 8-bit two's complement is -128 to 127.
• The number system used in memory addressing is hexadecimal.
• The method that converts binary to decimal is the positional value method.
• To convert a negative decimal to two's complement, the first step is to convert to binary.
• The basic unit of data in a computer is a bit.
• -7 in 8-bit two's complement is 11111001.
• The main advantage of the two's complement over the one's complement is that it eliminates the problem of having both +0 and -0.
• The number of digits in the decimal number system is 10.
• The complement system primarily used in digital computers is Two's complement.
• The decimal equivalent of hexadecimal A is 10.
• The base 8 number system is octal.
• -1 in two's complement using 4 bits is 1111.

DCIT 101 Third Quiz

• A peer-to-peer network is best suited for small networks with limited users.
• Watching a live sports match on YouTube is an example of real-time streaming.
• Standarizing character encoding is the purpose of ASCII in data representation.
• The range of private IP addresses starts with 192.168.0.0.
• The main advantage of using two's complement is eliminates the problem of having both +0 and -0.
• A thin client in a client-server model relies on the server for processing.
• Bit streaming is used in online video streaming.
• The internet is a global network of interconnected computers.
• Optical fiber constitutes a guided transmission medium.
• The process of converting raw data into meaningful information is called processing.
• A hexadecimal number uses base 16.
• The largest number that can be represented using 4 bits in unsigned binary is 15.
• Tim Berners-Lee is credited with inventing the World Wide Web (WWW).
• A LAN (Local Area Network) typically covers a small geographic area, like an office or home.
• The primary function of a subnet mask in networking is defining the network and host portions of an IP address.