Module 4
A ________ is 1,024 bytes. A kilobyte B megabyte C gigabyte D terabyte
A
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
CPU speed is expressed in cycles called _______ A hertz B bytes C bits D meters per second
A
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
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
A
Which of the following is an example of nonvolatile memory? A magnetic disk B cache C main memory D buffer
A
Which of the following is considered input hardware? A keyboards B printers C speakers D screen projectors
A
________ 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
A
_____ is the process whereby multiple operating systems share the same hardware. A Machine coding B Virtualization C License sharing D Cloud computing
B
Computers represent data using binary digits, called ________. A Dots B pixels C tags D bits
D
Which of the following is an example of volatile memory? A magnetic disk B magnetic tape C optical disk D cache
D
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
D
The CPU loads programs into the memory as chunks. 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.
B
Which of the following is an output hardware device? A keyboard B flatbed plotter C CPU D magnetic disk
B
Which of the following is the most widely used operating system in business? A Linux B Windows C Unix D Mac OS
B
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
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.
B
A computer with a quad-processor has ________ CPUs. A eight B four C two D sixteen
B
A(n) ________ is a program that controls a computer's resource A cache B operating system C CPU D bus
B
Memory is said to be ________ if contents are lost when power is off. A nonvolatile B volatile C random D swapped
B
One ________ is equivalent to 1,024 gigabytes. A petabyte B terabyte C megabyte D kilobyte
B
One ________ is equivalent to 1,024 kilobytes. A terabyte B megabyte C gigabyte D bit
B
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
C
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
C
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
C
_______ is computer code as written by humans and that is understandable by humans. A Bytecode B Machine code C Source code D Binary code
C
The CPU performs arithmetic and logical comparisons and stores results of operations in memory. True False
True
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
c
A gigabyte is 1,024 terabytes. true false
false
A terabyte is a larger unit than a petabyte. True false
false
Computers can function in the absence of operating system software. true false
false
Main memory is also known as cache true false
false
The CPU keeps rarely used instructions in the cache. True fase
false
The speed and costs of central processing units are the same across multiple hardware vendors. true false
false
When you work on a spreadsheet program like Excel, the program is loaded into the cache for processing. True false
false
A 64-bit CPU can address more main memory than a 32-bit CPU. true false
true
A bit is represented either as a zero or a one. True false
true
A host operating system controls the activities of the virtual machines it hosts. true false
true
A specification that a computing device has 100 million bytes of memory means that the device could hold up to 100 million characters. True false
true
Application programs can be processed by both client and server computers. True false
true
Code needed for the execution of thin-client application is loaded dynamically by a browser. True false
true
Constant memory swapping will reduce the speed of a computer. true false
true
Hardware consists of electronic components that input, process, output, and store data. true false
true
Modifying existing firmware requires knowledge of special programs and techniques. true false
true
Processing many programs at the same time needs lots of main memory. True false
true
Saving your work frequently is advised to tackle the issue of memory volatility. true false
true
The CPU loads programs into the memory as chunks. True false
true
The central processing unit is referred to as the brain of the computer. true false
true
USB connectors complicated the connection of peripheral gear to computers for users True false
true
