Unit 1 Computer Basics
A __________ is equal to 1 billion bytes. a.) megabyte b.) kilobyte c.) terabyte d.) gigabyte
gigabyte
All data is stored __________ with polarities of 0 and 1, which are read as binary digits. a.) magnetically b.) linguistically c.) numerically d.) alphabetically
magnetically
For a person who travels often, the main consideration in purchasing a computer would be __________. a.) screen size b.) portability c.) cost d.) storage
portability
Data can be accessed on any storage device only after the __________ locations have been determined. a.) polarity b.) bit/byte c.) hard disk d.) read/write
read/write
A __________ is a device usually connected to a computer via USB that is used to input documents as an image or text file. a.) monitor b.) scanner c.) printer d.) digital camera
scanner
A tablet computer's primary input is the __________. a.) keyboard b.) mouse c.) touch screen d.) volume button
touch screen
A __________ is a device operated by finger that performs the same function as a mouse. a.) vent b.) touchpad c.) monitor d.) scanner
touchpad
The decimal numbering system contains digits __________, while the octal numbering system contains digits __________. a.) 0-6, 0-1 b.) 0-1, 0-7 c.) 0-9, 0-8 d.) 0-9, 0-7
0-9, 0-7
Which of the following correctly orders the storage capacities from largest to smallest? a.) 1B, 1KB, 1MB, 1GB, 1TB b.) 1MB, 1TB, 1B, 1KB, 1GB c.) 1GB, 1KB, 1TB, 1MB, 1B d.) 1TB, 1GB, 1MB, 1KB, 1B
1TB, 1GB, 1MB, 1KB, 1B
Which of the following storage sizes is largest? a.) 3TB b.) 300GB c.) 50KB d.) 2,000,000MB
3TB
Which of the following is an example of a device that could be both an input and output device? a.) A touchscreen monitor b.) A keyboard c.) A mouse d.) A hard disk
A touchscreen monitor
Which of the following is NOT an example of hardware? a.) A monitor b.) A keyboard c.) A web browser d.) A flash drive
A web browser
Input and output devices are ways for the computer to interact with which of the following? a.) Users b.) Systems c.) All of the answer choices are correct. d.) Hardware
All of the answer choices are correct.
Computers were first invented to improve the efficiency of which of the following tasks? a.) Both storing information and performing calculations b.) Storing information c.) Sharing information d.) Performing calculations
Both storing information and performing calculations
The "brain" of the computer, which performs commands and returns results, is known as the __________. a.) storage b.) memory c.) circuit board d.) CPU
CPU
The __________ is considered to be the brain of the computer. a.) CPU b.) RAM c.) hard disk d.) motherboard
CPU
__________ represent(s) the tangible components of a computer. a.) Hardware b.) Software c.) Networks d.) Operating systems
Hardware
__________ is the numbering system that is based on sixteen digits and is used for tasks like defining color. a.) Hexadecimal b.) Pentadecimal c.) Octal d.) Decimal
Hexadecimal
If you were interested in designing and building a video game, which of the following would you prioritize when looking for a computer? a.) Low processing power and portability b.) A small screen and limited storage c.) Portability and a small screen d.) High processing power and a large screen
High processing power and a large screen
Select the true statement about RAM. a.) More RAM means a slower computer. b.) It is volatile. c.) It is used for long-term storage. d.) It is slower than the hard disk.
It is volatile.
Which of the following is NOT contained in the hexadecimal numbering system? a.) E b.) 1 c.) K d.) 6
K
Which of the following is an example of utility software? a.) Microsoft Word b.) McAfee Antivirus c.) Firefox d.) Blackberry
McAfee Antivirus
Which of the following is an example of productivity software? a.) Microsoft Excel b.) Android c.) Linux d.) iTunes
Microsoft Excel
Which of the following is NOT a type of application software? a.) Productivity software b.) Operating system software c.) Programming software d.) Utility software
Operating system software
If your job requires you to work with a lot of large data files and compute new balances quickly, which of the following would you prioritize when selecting a computer? a.) Portability b.) Cost c.) Processing speed d.) Screen size
Processing speed
__________, also known as working memory, is the short-term memory used for tasks like processing applications that are currently running. a.) motherboard b.) CPU c.) hard disk d.) RAM
RAM
Which of the following statements about hardware and software is true? a.) Software provides a set of commands for hardware to execute. b.) Hardware is necessary for a computer to function, while software is not. c.) Hardware and software always function separately. d.) Neither hardware nor software can manipulate data.
Software provides a set of commands for hardware to execute.
__________ represent(s) the set of instructions to be executed by __________. a.) Operating systems, software b.) Software, hardware c.) CPUs, networks d.) Hardware, CPUs
Software, hardware
__________ makes the hardware usable, while __________ commands it to perform specific tasks. a.) The application software, the hard disk b.) The operating system, the application software c.) The operating system, RAM d.) The CPU, RAM
The operating system, the application software
What is the purpose of a computer network? a.) To communicate and share information between computers b.) To view the data stored in a computer c.) To follow commands from the software d.) To store data within a computer
To communicate and share information between computers
Which of the following was a major motivation for the creation of early computers? a.) To manage data more efficiently b.) To connect with people around the world c.) To write business reports d.) To fully automate most tasks
To manage data more efficiently
A "smart house" can connect home appliances to __________ to allow remote activation. a.) a smartphone b.) both a smartphone and tablet c.) aself-driving car d.) a tablet
both a smartphone and tablet
A __________ is a combination of parts that function collectively to achieve a desired outcome. a.) hard disk b.) GPU c.) computing system d.) processing component
computing system
A device that makes use of cloud computing can function without a(n) __________. a.) operating system b.) hard disk c.) internal battery d.) screen
hard disk
A(n) __________ is a(n) __________ that stores up to approximately 2 terabytes of data long-term, even while the computer is off. a.) sound card, output component b.) hard disk, primary storage device c.) SSD, processing component d.) optical disc, input component
hard disk, primary storage device
The __________ was a major technological breakthrough that was able to perform all of a computer's functions, which was a significant improvement over using a single __________ for each function. a.) server, network b.) microprocessor, integrated circuit c.) network, mainframe computer d.) microprocessor, server
microprocessor, integrated circuit
A __________ is an output device usually connected to a computer via VGA cable that displays images, videos, or text files. a.) scanner b.) monitor c.) keyboard d.) pointing device
monitor
The CPU, RAM, hard disk, graphics card, and sound card all connect to the __________, which provides the majority of the electrical connections in a computer. a.) monitor b.) OS c.) ROM d.) motherboard
motherboard
A __________ is a group of letters preceding a unit of measurement. a.) capacity b.) byte c.) cycle d.) unit prefix
unit prefix