Chapter 4

A) bus

To execute an instruction, data is moved from the main memory to the CPU via the ________. A) bus B) operating system C) cache D) application

A) the main memory

To run a program, a computer first transfers the program from disk to ________. A) the main memory B) the CPU C) the processor D) the read-only memory

False

The speed and costs of central processing units are the same across multiple hardware vendors.

True

A 64-bit CPU can address more main memory than a 32-bit CPU

A) kilobyte

A ________ is 1,024 bytes. A) kilobyte B) megabyte C) gigabyte D) terabyte

True

A bit is represented either as a zero or a one.

True

A client computer can be part of a public network.

True

A computer is faster if it has a large cache.

B) four

A computer with a quad-processor has ________ CPUs. A) eight B) four C) two D) sixteen

False

A gigabyte is 1,024 terabytes.

True

A host operating system controls the activities of the virtual machines it hosts.

False

A server farm can process only one service request per minute.

True

A specification that a computing device has 100 million bytes of memory means that the device could hold up to 100 million characters.

False

A terabyte is a larger unit than a petabyte.

B) operating system

A(n) ________ is a program that controls a computer's resources. A) cache B) operating system C) CPU D) bus

True

An exabyte is 1,024 petabytes.

C) just buys a license to use the product

An individual buying a computer program ________. A) accrues liability for the usage of the program B) can install the program on multiple computers C) just buys a license to use the product D) can use the same license to activate another program

True

Application programs can be processed by both client and server computers.

A) thin-client applications

Application programs that run within a browser, without the need to be preinstalled on client computers, are referred to as ________. A) thin-client applications B) firmware C) desktop programs D) thick-client applications

A) hertz

CPU speed is expressed in cycles called ________. A) hertz B) bytes C) bits D) meters per second

A) byte

The number of bits to represent a single character is referred to as a ________. A) byte B) kilobyte C) terabyte D) megabyte

True

Code needed for the execution of thin-client application is loaded dynamically by a browser.

False

Computers can function in the absence of operating system software.

D) bits

Computers represent data using binary digits, called ________. A) dots B) pixels C) tags D) bits

True

Constant memory swapping will reduce the speed of a computer.

True

Hardware consists of electronic components that input, process, output, and store data.

False

Main memory is also called cache memory.

A) vertical-market application software

McCann Systems, a leading IT firm, develops customized billing software to meet the needs of its individual customers. In this case, the software developed by the firm is referred to as a(n) ________. A) vertical-market application software B) horizontal-market application software C) one-of-a-kind application software D) operating systems software

B) volatile

Memory is said to be ________ if contents are lost when power is off. A) nonvolatile B) volatile C) random D) swapped

False

Modifications to the source code of an open source program cannot be added to the product

True

Modifying existing firmware requires knowledge of special programs and techniques.

B) terabyte

One ________ is equivalent to 1,024 gigabytes. A) petabyte B) terabyte C) megabyte D) kilobyte

B) megabyte

One ________ is equivalent to 1,024 kilobytes. A) terabyte B) megabyte C) gigabyte D) bit

False

Optical disks are the most common storage devices.

True

Processing many programs at the same time needs lots of main memory.

C) server operating systems

Programs that control a server computer's resources are referred to as ________. A) client operating systems B) client application programs C) server operating systems D) server application programs

True

Saving your work frequently is advised to tackle the issue of memory volatility.

False

Server computers cannot host virtual machines

C) horizontal-market application

Software that provides capabilities common across all organizations and industries is known as ________ software. A) vertical-market application B) market-wide C) horizontal-market application D) generic-application

True

Some computers have two or more CPUs.

False

The CPU keeps rarely used instructions in the cache.

True

The CPU loads programs into the memory as chunks.

True

The CPU performs arithmetic and logical comparisons and stores results of operations in memory.

False

The CPU reads data and instructions from a read-only memory.

True

The central processing unit is referred to as the brain of the computer.

False

The general public can access and alter a closed source code of a program.

False

USB connectors complicated the connection of peripheral gear to computers for users.

C) place the new data into unused memory

When a user needs to load more data into an existing program, which of the following instructions will an operating system direct the CPU to attempt? A) wait for the existing program to be closed B) restart the existing program C) place the new data into unused memory D) replace the memory used by the existing program with the new data

False

When you work on a spreadsheet program like Excel, the program is loaded into the cache for processing.

A) magnetic disk

Which of the following is an example of nonvolatile memory? A) magnetic disk B) cache C) main memory D) buffer

D) cache

Which of the following is an example of volatile memory? A) magnetic disk B) magnetic tape C) optical disk D) cache

C) Linux

Which of the following is an open-source operating system? A) Opera B) Windows C) Linux D) Mac OS

B) flatbed plotter

Which of the following is an output hardware device? A) keyboard B) flatbed plotter C) CPU D) magnetic disk

A) keyboards

Which of the following is considered input hardware? A) keyboards B) printers C) speakers D) screen projectors

B) Windows

Which of the following is the most widely used operating system in business? A) Linux B) Windows C) Unix D) Mac OS

B) They have software that enables them to connect to a network.

Which of the following is true about client computers? A) They receive and process multiple service requests per minute. B) They have software that enables them to connect to a network. C) They have limited video displays or no display at all. D) They require a minimum of 4GB main memory to process information

C) Both client and server computers need an operating system.

Which of the following is true about operating systems software? A) Both client and server computers need to run on the same operating system. B) The operating system performs a majority of application-specific tasks. C) Both client and server computers need an operating system. D) A single version operating system can be used for different types of hardware.

A) It cannot effectively utilize more than 4GB of main memory.

Which of the following is true of a 32-bit CPU? A) It cannot effectively utilize more than 4GB of main memory. B) It has a higher speed than any other processor. C) It is ideal for creating large, complicated spreadsheets. D) It is more expensive than the 64-bit CPU.

C) It is typically accessed from another computer via a network.

Which of the following is true of a server? A) It is used to send requests. B) It can be accessed by not more than one user at a time. C) It is typically accessed from another computer via a network. D) It cannot process emails and Web sites.

B) An organization can tailor its applications to fit its requirements.

Which of the following is true of in-house custom-developed software? A) They are less expensive than off-the-shelf software. B) An organization can tailor its applications to fit its requirements. C) Developing custom software is easier than using a horizontal application. D) Custom-developed software need not be adapted to changing needs.

B) They generally have more features and functions than thin-client applications.

Which of the following is true of thick-client applications? A) A thick-client application is an application program that need not be preinstalled on the client. B) They generally have more features and functions than thin-client applications. C) A thick-client application does not need a server connection to run. D) Update installation and version management are inexpensive when large numbers of users work on the same version of the application.

C) a server farm

Which of the following is used to receive and process thousands of requests from a large number of users? A) a data bus B) a stand-alone server C) a server farm D) a client computer

D) a desktop program

Which of the following refers to an application that runs on personal computers and does not need to connect to any server to run? A) a thick-client application B) a thin-client application C) a firmware D) a desktop program

A) Firmware

________ is a type of computer software that is installed into devices such as printers, print servers, and various types of communication devices. A) Firmware B) Desktop program C) Operating system D) Browser

C) Source code

________ is computer code as written by humans and that is understandable by humans. A) Bytecode B) Machine code C) Source code D) Binary code

B) Virtualization

________ is the process whereby multiple operating systems share the same hardware. A) Machine coding B) Virtualization C) License sharing D) Cloud computing