Computer quiz Digital Lit #1

What is a Bit?

A bit is a binary digit, the smallest increment of data on a computer.

Is a calculator a computer?

A calculator is a small hand-held computer that performs mathematical calculations.

What is a Microprocessor?

A microprocessor is a multipurpose, programmable logic device that reads binary instructions from a storage device called memory accepts binary data as input and processes data according to those instructions and provides result as output.

In what year was the IBM PC first introduced?

August 12, 1981

When was the first computer invented? Who is known as the Father of Computing?

English mathematician and inventor Charles Babbage is credited with having conceived the first automatic digital computer. During the mid-1830s

Who invented the first Microprocessor?

Federico Faggin, Marcian (Ted) Hoff, Stanley Mazor, and Masatoshi Shima

What does GUI stand for in computers? What is it?

GUI (Graphical User Interface) A graphics-based operating system interface that uses icons, menus and a mouse (to click on the icon or pull down the menus) to manage interaction with the system.

In what year did Apple introduce the Macintosh computer?

January 24, 1984

What are optical storage devices are most commonly known as?

Optical storage devices store and read data using light, often recording information on what's called an optical disk.

What is a Byte?

The byte is a unit of digital information that most commonly consists of eight bits.

Define the term CPU and explain its function.

The computer's central processing unit (CPU) is the portion of a computer that retrieves and executes instructions.

What will happen if you put a USB drive and a magnet too closely together?

USB drives cannot be harmed or altered by magnetic fields. The drives are not built from magnetic materials. So magnets pose no danger to any flash memory including SSDs, SD cards, and external hard drives—even traditional hard drives are immune.

Define the term server.

a computer or computer program which manages access to a centralized resource or service in a network.

Define the term hard drive.

a high-capacity, self-contained storage device containing a read-write mechanism plus one or more hard disks, inside a sealed unit. Also called hard disk drive.

Define the term supercomputer.

a particularly powerful mainframe computer.

Define the term motherboard.

a printed circuit board containing the principal components of a computer or other device, with connectors into which other circuit boards can be slotted.

Define the term solid-state storage media and give an example of this type of media.

a type of computer storage media that stores data electronically and has no moving parts. Like a USB flash drive.

Define the term computer.

an electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program.

Define the term data.

facts and statistics collected together for reference or analysis.

What are the four components that make up a computer system?

input devices, processing devices, output devices and memory (storage) devices.

Define the term software.

the programs and other operating information used by a computer.

Define the term hardware.

tools, machinery, and other durable equipment.