Exam 1: Computers and Digital Basics

In 1982,the percentage of households that had a computer was closest to ____ percent.

Because most digital devices are electronic,bits take the form of electrical pulses.

-The accompanying figure represents the instruction cycle.The third step is Box C and represents the ____.

Jim has just purchased a new computer and it has made him think about how it works. He is particularly interested in how information is processed and stored in his computer. He has come to you for help. -When adding two numbers,Jim knows that each number is going into its own register and the control unit provides the instructions such as add.He wants to know where the result of the add goes.You tell him it goes to ____.

Karen is studying about microcontrollers in her engineering class, and wants to learn more about how they are used. -Karen is learning that,when combined with wireless networks,devices with microcontrollers can relay information to which of the following?

A(n)____ converts and executes one statement at a time.

In terms of an authentication protocol,the phrase 'something a person possesses' could refer to ____.

____ software refers to any software that is installed on a computer's hard disk.

MATCHING Identify the letter of the choice that best matches the phrase or definition. -The practice of copying a file from a remote computer to a local computer

-The accompanying figure represents two types of chip carriers.The one on the right is a ____.

A(n)____ converts all the statements in a program in a single batch;the resulting collection of instructions is placed in a new file.

MATCHING Identify the letter of the choice that best matches the phrase or definition. -Unauthorized use and access to personal data

Jim has just purchased a new computer and it has made him think about how it works. He is particularly interested in how information is processed and stored in his computer. He has come to you for help. -Jim knows that a collection of preprogrammed activities is an instruction set.He wants to know what an instruction set is designed to do.You tell him it is designed to ____.

An operating system is an example of application software.

The "____________________" represents Internet-based services,such as applications and social media,that are available from computers and handheld digital devices.

A(n)____ is a microprocessor-based computing device designed to meet the computing needs of an individual.

The first digital computers were built during World War II for ____.

The type of code that uses eight bits for each character is ____.

____ computing provides access to information,applications,communications,and storage over the Internet.

Trojans are computer programs that seem to perform one function while actually doing something else.