Deck 4: Hardware and Software

Question 1

Which of the following is true of a server?

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

Answer 1

A

Question 2

A computer with a quad-processor has ________ CPUs.

A)sixteen
B)four
C)two
D)eight

Answer 2

B

Question 3

Which of the following is used to receive and process thousands of requests from a large number of users?

A)a server farm
B)a client computer
C)a stand-alone server
D)a data bus

Answer 3

A

Question 4

A ________ is 1,024 bytes.

A)terabyte
B)kilobyte
C)gigabyte
D)megabyte

Question 5

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)replace the memory used by the existing program with the new data
C)place the new data into unused memory
D)restart the existing program

Question 6

Which of the following is true about client computers?

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

Question 7

Computers represent data using binary digits,called ________.

A)tags
B)bits
C)pixels
D)dots

Question 8

A(n)________ is a program that controls a computer's resources.

A)bus
B)operating system
C)CPU
D)cache

Question 9

Which of the following is an example of nonvolatile memory?

A)main memory
B)cache
C)buffer
D)magnetic disk

Question 10

Which of the following is considered input hardware?

A)speakers
B)screen projectors
C)printers
D)keyboards

Question 11

Memory is said to be ________ if contents are lost when power is off.

A)volatile
B)random
C)nonvolatile
D)swapped

Question 12

One ________ is equivalent to 1,024 gigabytes.

A)kilobyte
B)petabyte
C)terabyte
D)megabyte

Question 13

Which of the following is an output hardware device?

A)flatbed plotter
B)magnetic disk
C)keyboard
D)CPU

Question 14

To execute an instruction,data is moved from the main memory to the CPU via the ________.

A)cache
B)bus
C)application
D)operating system

Question 15

CPU speed is expressed in cycles called ________.

A)metres per second
B)bits
C)hertz
D)bytes

Question 16

Which of the following is an example of volatile memory?

A)cache
B)magnetic disk
C)optical disk
D)magnetic tape

Question 17

Which of the following is true of a 32-bit CPU?

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

Question 18

To run a program,a computer first transfers the program from disk to ________.

A)the main memory
B)the CPU
C)the read-only memory
D)the processor

Question 19

The number of bits to represent a single character is referred to as a ________.

A)byte
B)kilobyte
C)terabyte
D)megabyte

Question 20

One ________ is equivalent to 1,024 kilobytes.

A)bit
B)gigabyte
C)terabyte
D)megabyte

Question 21

A computer is faster if it has a large cache.

Question 22

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

Question 23

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

Question 24

Constant memory swapping will reduce the speed of a computer.

Question 25

The CPU loads programs into the memory as chunks.

Question 26

A terabyte is a larger unit than a petabyte.

Question 27

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

Question 28

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

Question 29

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

Question 30

A gigabyte is 1,024 terabytes.

Question 31

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

Question 32

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

Question 33

The CPU keeps rarely used instructions in the cache.

Question 34

Optical disks are the most common storage devices.

Question 35

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

Question 36

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

Question 37

An exabyte is 1,024 petabytes.

Question 38

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

Question 39

Some computers have two or more CPUs.

Question 40

Main memory is also called cache memory.

Question 41

How does a computer store data,and what are the different specifications of data size?

Question 42

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

Question 43

Which of the following is the most widely used operating system in business?

A)Unix
B)Windows
C)Linux
D)Mac OS

Question 44

Server computers cannot host virtual machines.

Question 45

Differentiate between client and server computers.

Question 46

Programs that control a server computer's resources are referred to as ________.

A)server application programs
B)client application programs
C)client operating systems
D)server operating systems

Question 47

________ is the process whereby multiple operating systems share the same hardware.

A)Cloud computing
B)Virtualisation
C)Machine coding
D)Licence sharing

Question 48

Describe the basic components of a generic computer.

Question 49

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

Question 50

Which of the following is true about operating systems software?

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

Question 51

What are the two important software constraints? Explain with suitable examples.

Question 52

A client computer can be part of a public network.

Question 53

Which of the following is an open-source operating system?

A)Opera
B)Windows
C)Linux
D)Mac OS

Question 54

Computers can function in the absence of operating system software.

Question 55

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

Question 56

Briefly describe how a computer works.

Question 57

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

Question 58

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

Question 59

An individual buying a computer program ________.

A)accrues liability for the usage of the program
B)can use the same licence to activate another program
C)can install the program on multiple computers
D)just buys a licence to use the product

Question 60

What is an operating system? How is it different from an application program?

Question 61

________ is a type of computer software that is installed into devices such as printers,print servers,and various types of communication devices.

A)Desktop program
B)Browser
C)Firmware
D)Operating system

Question 62

What are the drawbacks of developing custom application software for an organisation?

Question 63

Which of the following is true of thick-client applications?

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

Question 64

Explain the four major nonmobile client operating systems and their functions.

Question 65

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 thin-client application
B)a thick-client application
C)a firmware
D)a desktop program

Question 66

Which of the following is true of in-house custom-developed software?

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

Question 67

Software that provides capabilities common across all organisations and industries is known as ________ software.

A)horizontal-market application
B)market-wide
C)vertical-market application
D)generic-application

Question 68

Explain how computer programs are licensed to individuals and organisations.

Question 69

Application programs that run within a browser,without the need to be preinstalled on client computers,are referred to as ________.

A)thick-client applications
B)desktop programs
C)firmware
D)thin-client applications

Question 70

What is firmware?

Question 71

What is virtualisation?

Question 72

What are the different categories of application programs?

Question 73

Modifying existing firmware requires knowledge of special programs and techniques.

Question 74

How does open source work? How is it different from closed source projects?

Question 75

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

Question 76

McCann Systems,a leading IT firm,develops customised 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)one-of-a-kind application software
C)horizontal-market application software
D)operating systems software

Question 77

What is unique about Linux as an operating system?

Question 78

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

Question 79

________ is computer code as written by humans and that is understandable by humans.

A)Binary code
B)Bytecode
C)Source code
D)Machine code

Question 80

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