Operating Systems Basics Quiz
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Questions and Answers

Nearly all data in the computer is stored and retrieved as files.

True

Random access files are the same as relative access files.

False

A port is simply a connector at the end of a bus into which a device can be plugged.

True

The user services provided by an operating system generally includes retrieval, storage, and manipulation of files.

<p>True</p> Signup and view all the answers

The user services provided by an operating system generally includes user I/O services.

<p>True</p> Signup and view all the answers

Something as simple as a household appliance can have an operating system.

<p>True</p> Signup and view all the answers

The operating system provides file system access and file support services.

<p>True</p> Signup and view all the answers

The operating system provides I/O support services that can be used by every program.

<p>True</p> Signup and view all the answers

When analog data is converted into digital form, however, a small amount of information is lost during the transformation.

<p>True</p> Signup and view all the answers

The wiring on the motherboard interconnects all of the peripheral cards that are plugged in to connectors, together with circuitry that steers I/O to the CPU and memory. This arrangement is known as a:

<p>Backplane</p> Signup and view all the answers

A channel that carries messages in only one direction is known as a duplex channel.

<p>False</p> Signup and view all the answers

A full-duplex channel may carry messages in both directions, but only one direction at a time.

<p>False</p> Signup and view all the answers

Channels which carry signals simultaneously in both directions are called diuble-sided channels.

<p>True</p> Signup and view all the answers

In a active hub, all of the connections at the hub are simply tied together inside the hub and the hub performs no operation or modification of the signals as they arrive at the hub.

<p>False</p> Signup and view all the answers

An Intranet is an organizational network, where the user interfaces and applications are based primarily on Web services.

<p>True</p> Signup and view all the answers

Ethernet is an example of Data Link Layer implementation.

<p>True</p> Signup and view all the answers

Port numbers can be modified by an application.

<p>False</p> Signup and view all the answers

There must be a way to break long messages into smaller units. These units are called bunches

<p>True</p> Signup and view all the answers

The use of packets simplifies operations and increases communication efficiency.

<p>True</p> Signup and view all the answers

Channels can be made up of multiple links.

<p>True</p> Signup and view all the answers

Bit rate and bandwidth are used interchangeably.

<p>False</p> Signup and view all the answers

Packet switching is also called datagram switching.

<p>True</p> Signup and view all the answers

Multimedia Input is a type of computer peripheral that may include video and audio input.

<p>True</p> Signup and view all the answers

With client-server computing, the client and server must be on separate computers.

<p>False</p> Signup and view all the answers

The computers in a cluster must be in close proximity.

<p>False</p> Signup and view all the answers

Clustering is used to increase the available computing power by combining the power of the individual systems.

<p>True</p> Signup and view all the answers

Which of the following multiplexing techniques is normally used with digital signals?

<p>Time division multiplexing (TDM)</p> Signup and view all the answers

The following are computers mounted on a board similar to a motherboard that can be plugged into connectors on a rack:

<p>Blade servers</p> Signup and view all the answers

Which of the following is FALSE regarding fiber-optic cabling?

<p>It is vulnerable to most forms of noise.</p> Signup and view all the answers

Abbreviated Hz, is the unit used to measure what?

<p>Frequency</p> Signup and view all the answers

Thunderbolt is designed to support a data transfer rate of up to how many gigabits per second in each direction?

<p>1000</p> Signup and view all the answers

Specific device control is built into a controller within some devices and into the computer software programs that control 1/O from these devices. These programs are called what?

<p>Device driver</p> Signup and view all the answers

In most computer systems, the CPU, memory, and other major components are mounted to wiring on a printed circuit board known as a what?

<p>Motherboard</p> Signup and view all the answers

Internet Control Message Protocol creates messages for failure at which of the following layers?

<p>Data Link layer</p> Signup and view all the answers

To solve the related problems of channel availability and maximum utilization, there must be a way to break long messages into smaller units. These units are called what?

<p>Packets</p> Signup and view all the answers

The typical communication channel is actually divided into segments; connections along the segments are called what?

<p>Links</p> Signup and view all the answers

A relatively small number of standard protocols, consisting primarily of the communication requirements for modern data communication networks

<p>TCP/IP and UDP</p> Signup and view all the answers

TCP establishes a connection at the request of a network application. To initiate a connection, TCP sends a control packet to TCP at the Web site, requesting a connection; this results in a brief back-and-forth series of requests and acknowledgments known as what?

<p>Handshaking</p> Signup and view all the answers

What is the abbreviation for the protocol that translates domain names into IP addresses?

<p>DHCP</p> Signup and view all the answers

Protecting the content of data communication against changes is known as what?

<p>Integrity</p> Signup and view all the answers

Reading data in all the packets as they pass through the network is known as what?

<p>Packet sniffing</p> Signup and view all the answers

The dialogue between two cooperating applications or processes at the ends of the communication link on the OSI model is known as a what?

<p>Session</p> Signup and view all the answers

To achieve better load-balancing we may use the following configuration for clusters:

<p>Share Nothing model</p> Signup and view all the answers

Controlling the channel bandwidth to prevent interface from other signals is referred to as:

<p>Filtering</p> Signup and view all the answers

Which of the following is a basic service that the operating system provides?

<p>All of the above</p> Signup and view all the answers

Which operating system function is responsible for deallocating a program's memory when it has completed execution?

<p>Memory management</p> Signup and view all the answers

Which user service is responsible for determining the amount of available disk space, the amount of available memory, and the number of users on the system?

<p>System Status Information and User Administration</p> Signup and view all the answers

Which user service is responsible for mounting and unmounting devices?

<p>Disk and other I/O Device Services</p> Signup and view all the answers

Which of the following are functions that are performed by a program rather than by a user?

<p>All of the above</p> Signup and view all the answers

Records of data files may be retrieved using the following method:

<p>Both (a) and (b)</p> Signup and view all the answers

Study Notes

Question 1

  • Nearly all computer data is stored and retrieved as files.
    • Answer: True

Question 2

  • Random access files are the same as relative access files.
    • Answer: False

Question 3

  • A port is a connector at the end of a bus for device connection.
    • Answer: True

Question 4

  • Operating system user services include file retrieval, storage, and manipulation.
    • Answer: True

Question 5

  • Operating system user services include user I/O services.
    • Answer: True

Question 6

  • Even simple appliances can have operating systems.
    • Answer: True

Question 7

  • The operating system provides file system access and file support.
    • Answer: True

Question 8

  • The operating system offers I/O support usable by all programs.
    • Answer: True

Question 9

  • Converting analog data to digital form results in some information loss.
    • Answer: True

Question 10

  • The motherboard wiring interconnects peripheral cards, steering I/O to CPU and memory. This arrangement is called a bus.
    • Answer: c. Bus

Question 11

  • A channel carrying messages in one direction is called a simplex channel, not a duplex channel.
    • Answer: False

Question 12

  • A full-duplex channel transmits data in both directions simultaneously, but not necessarily at the same time in one direction.
    • Answer: False

Question 13

  • Channels transmitting simultaneously are called full-duplex, not double-sided.
    • Answer: False

Question 14

  • An active hub connects all connections and simply transmits signals as they arrive without any signal modification.
    • Answer: True

Question 15

  • An intranet is an organizational network primarily using web services.
    • Answer: True

Question 16

  • Ethernet is a Data Link Layer implementation.
    • Answer: True

Question 17

  • Port numbers can be modified by an application.
    • Answer: True

Question 18

  • Long messages are broken into smaller units called packets or segments, not bunches.
    • Answer: False

Question 19

  • Packet use simplifies communication and increases efficiency.
    • Answer: True

Question 20

  • Channels can be composed of multiple links.
    • Answer: True

Question 21

  • Bit rate and bandwidth are not interchangeable terms.
    • Answer: False

Question 22

  • Packet switching and datagram switching are synonymous.
    • Answer: True

Question 23

  • Multimedia input devices, such as video and audio input devices, are computer peripherals.
    • Answer: True

Question 24

  • In client-server computing, the client and server are separate computers.
    • Answer: True

Question 25

  • Clustered computers should be in close proximity.
    • Answer: True

Question 26

  • Clustering combines multiple systems to enhance computing power.
    • Answer: True

Question 27

  • Time Division Multiplexing (TDM) is often used with digital signals.
    • Answer: a

Question 28

  • Blade servers, mounted on a rack similar to a motherboard, are computer components.
    • Answer: a

Question 29

  • Fiber-optic cables have low attenuation and are not vulnerable to most noise.
    • Answer: b

Question 30

  • Hertz (Hz) is the unit for measuring frequency.
    • Answer: d

Question 31

  • Thunderbolt supports up to 10 gigabits per second in each direction.
    • Answer: a

Question 32

  • Software programs that control input/output operations from devices are device drivers.
    • Answer: b

Question 33

  • The CPU, memory, and other major components are mounted on a printed circuit board, known as the motherboard.
    • Answer: b

Question 34

  • Internet Control Message Protocol (ICMP) creates messages, and ICMP operates at the Network layer.
    • Answer: b

Question 35

  • Long messages are broken into smaller units called packets for maximum communication efficiency
    • Answer: b

Question 36

  • Connections along communication channels are called links.
    • Answer: a

Question 37

  • TCP/IP and related protocols (UDP, BGP, ATM, Ethernet) are primarily used for modern data networks.
    • Answer: c

Question 38

  • The back-and-forth exchange of requests and acknowledgments between TCP systems during a connection setup is called handshaking.
    • Answer: c

Question 39

  • The Domain Name System (DNS), not DHCP, translates domain names to IP addresses.
    • Answer: d

Question 40

  • Protecting data content from unauthorized changes is called integrity.
    • Answer: a

Question 41

  • Reading packet data as it travels through a network is called packet sniffing.
    • Answer: a

Question 42

  • The dialogue between applications on the OSI model is called a session..
    • Answer: a

Question 43

  • A share-nothing model configures cluster systems for load balancing
    • Answer: a

Question 44

  • Controlling bandwidth to prevent other signals from interfering is called filtering.
    • Answer: d

Question 45

  • The operating system manages programs, hardware processes, and user commands.
    • Answer: d

Question 46

  • Memory deallocation is a function of memory management, not file management.
    • Answer: a

Question 47

  • System status and user administration, not disk services, determines available resources.
    • Answer: d

Question 48

  • Device mounting and unmounting is a function of disk and I/O services.
    • Answer: b

Question 49

  • File manipulation is a program task, not user interaction.
    • Answer: d

Question 50

  • Data files are accessed using sequential or random access, but not both.
    • Answer: c

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Description

Test your understanding of the fundamental concepts of operating systems and file management. This quiz includes questions about file types, user services, and system functionalities. It is designed for anyone looking to strengthen their knowledge in computer science fundamentals.

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