question

The digital revolution became a significant factor in the 1980s but ended in the 1990s when the "dot com" bubble burst.

answer

False

question

The first digital computer was developed for conducting the census.

answer

False

question

Facebook and Twitter are examples of social networking options.

answer

True

question

Privacy advocates fear that digital technologies are fundamentally changing our expectation of what is private and what is not.

answer

True

question

Prior to 1940, the word computer was defined as a person who performs calculations.

answer

True

question

An operating system is an example of application software.

answer

True

question

Because of increased versatility, a videogame console is now considered a personal computer.

answer

False

question

The purpose of a server is to serve computers on a network.

answer

True

question

In the binary number system, 2 is used to represent the value 2.

answer

False

question

The number 9 can be considered a character.

answer

True

question

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

answer

False

question

Semiconductor materials are substances with properties between those of a conductor and an insulator.

answer

True

question

A compiler like the one shown in the accompanying figure converts all statements in a program to machine language in a single batch.

answer

True

question

The op code in a machine language instruction specifies the data.

answer

False

question

The operand is a command word for an operation.

answer

False

question

All computers are case sensitive.

answer

False

question

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

answer

True

question

You should always use a different password for every account.

answer

False

question

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

answer

code breaking

question

When restrictions on commercial use of the ____ were lifted in 1995, companies such as AOL and CompuServe became popular services.

answer

internet

question

An area of a computer that temporarily holds data waiting to be processed is ____.

answer

memory

question

A set of computer programs that helps a computer monitor itself and function more efficiently is ____.

answer

system software

question

The master controller for all activities that take place within a computer is ____.

answer

the operating system

question

A powerful desktop computer used for high-performance tasks is a ____.

answer

mainframe

question

A compute-intensive problem runs on a ____.

answer

supercomputer

question

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

answer

ASCII

question

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

answer

Extended ASCII

question

Storage is typically expressed as ____.

answer

bytes

question

1,048,576 bytes is a ____.

answer

megabyte

question

The ____ houses all essential chips and provides connecting circuitry between them.

answer

system board

question

A collection of preprogrammed activities such as addition, subtraction, counting, and comparison is called a(n) ____.

answer

instruction set

question

The ____ from an instruction specifies the data.

answer

operand

question

The accompanying figure represents the instruction cycle. The first step is Box A and represents the ____.

answer

fetch instruction

question

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

answer

execute instruction

question

The accompanying figure represents the instruction cycle. The fourth step is Box D and represents the ____.

answer

increment pointer

question

A problem a hacker can cause after breaking into your computer might be ____.

answer

all of the above

question

Password management functions include all of the following EXCEPT ____.

answer

recording keystrokes

question

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 ____.

answer

allow programmers to use them in creative ways for multiple task

question

Storage

answer

The area where data can be left on a permanent basis when it is not immediately needed for processing

question

download

answer

The practice of copying a file from a remote computer to a local computer

question

authentication protocol

answer

Any method that confirms a person's identity

question

Memory

answer

An area of the computer that temporarily holds data waiting to be processed, stored, or output

question

unicode

answer

Provides codes for 65,000 characters

question

microchip

answer

Another name for integrated circuit

question

ALU

answer

Part of the microprocessor that performs arithmetic operations

question

control unit

answer

Fetches each instruction

question

case sensitive

answer

Differentiates between uppercase and lowercase words

question

identity theft

answer

Unauthorized use and access to personal data

question

password manager

answer

Stores user IDs with their corresponding password

question

source code

answer

Human-readable version of a program

Ch. 1 Computer Concepts – Flashcards

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