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DIA [1.3K]
3 years ago
11

The most prominent type of system software, the ________, coordinates the interaction between hardware components, peripherals,

application software, and users. A. random-access memory B. operating system C. base station D. read-only memory E. point to point protocol
Computers and Technology
1 answer:
GREYUIT [131]3 years ago
6 0

Answer: (B) Operating system

Explanation:

 The operating system is one of the most important type of the system software as it helps in run the various types of computer system and also provide the interaction between the various hardware components, software application and the users.

It technically provide the essential components to manage the information system infrastructure in an organization.

The operating system basically providing the user interface so that it enable the user for easily interaction with the different computer systems. Now-a-days, the GUI (Graphical user interface) is basically used by the operating system for interaction with the users.  

 

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Software that enables the organization to centralize data is called A. Data Repository B. Data Base Management System C. Data Wa
balandron [24]

Answer:

B. Data Base Management System

Explanation:

A database management system (DBMS) can be defined as a collection of software applications that typically enables computer users to effectively and efficiently create, store, modify, retrieve, centralize and manage data or informations in a database. Generally, it allows computer users to efficiently retrieve and manage their data with an appropriate level of security.

Generally, a database management system (DBMS) acts as an intermediary between the physical data files stored on a computer system and any software application or program.

A data dictionary can be defined as a centralized collection of information on a specific data such as attributes, names, fields and definitions that are being used in a computer database system.

In a data dictionary, data elements are combined into records, which are meaningful combinations of data elements that are included in data flows or retained in data stores.

This ultimately implies that, a data dictionary found in a computer database system typically contains the records about all the data elements (objects) such as data relationships with other elements, ownership, type, size, primary keys etc. This records are stored and communicated to other data when required or needed.

Hence, a software that enables the organization to centralize data, manage the data efficiently while providing authorized users a significant level of access to the stored data, is called a Data Base Management System (DBMS).

4 0
3 years ago
If AL contains binary 1000 1111, which one will show the information of the binary bits in AL after performing operation SHR AL,
padilas [110]

Answer:

a) AL will contains 0011 1100

Explanation:

In assembly language, shifting bits in registers is a common and important practice. One of the shifting operations is the SHR AL, x where the x specifies that the bits be shifted to the right by x places.

SHR AL, 2 therefore means that the bits contained in the AL should be shifted to the right by two (2) places.

For example, if the AL contains binary 1000 1111, the SHR AL, 2 operation will cause the following to happen

Original bit =>                                        |   1  |  0 |  0  |  0  |  1 |  1 |  1 |  1 |

Shift once to the right =>                |  1 |   0 |  0  |  0  |  1 |  1 |  1 |  1 | (0) |

Shift once to the right =>          |  1 |  0 |  0  |  0  |  1 |  1 |  1 |  1 | (0) | (0) |

Notice;

(i) that there are two shifts - one at a time.

(ii) that the bits in bold face are the bits in the AL after the shift. Those that in regular face are those in the carry flag.

(iii) that the new bits added to the AL after a shift are the ones in bracket. They are always set to 0.

5 0
3 years ago
In order to look up ipv4 and ipv6 dhcp leases, what two files should be viewed?​
Zigmanuir [339]
The answers are  /var/lib/dhcpd/dhcpd.leases   &                                                                       /var/lib/dhcpd/dhcpd6.leases
In order to look up ipv4 and ipv6 dhcp leases, The two files that should be viewed are  /var/lib/dhcpd/dhcpd.leases &  /var/lib/dhcpd/dhcpd6.leases                                             
7 0
3 years ago
A combination lock has the following basic properties:
fomenos

Answer:

public class CombinationLock {

   

    private int combinationNumber1 = 0;

    private int combinationNumber2 = 0;

    private int combinationNumber3 = 0;

   

   CombinationLock(int combinationNumber1, int combinationNumber2, int combinationNumber3){

       this.combinationNumber1 = combinationNumber1;

       this.combinationNumber2 = combinationNumber2;

       this.combinationNumber3 = combinationNumber3;

   }

   

   public boolean open(int number1, int number2, int number3){

       if(number1 == combinationNumber1 && number2 == combinationNumber2 && number3 == combinationNumber3)

           return true;

       else

           return false;

   }

   

   public boolean changeCombo(int number1, int number2, int number3, int newNumber1, int newNumber2, int newNumber3){

       

       if (open(number1, number2, number3)){

           combinationNumber1 = newNumber1;

           combinationNumber2 = newNumber2;

           combinationNumber3 = newNumber3;

           return true;

       }else

           return false;

   }

}

Explanation:

- <em>Three variables</em> are created to hold the combination.

- A <em>constructor</em> is created to set the combination.

- A boolean method called <em>open</em> is created to check if the given numbers are correct, and <u>returns true</u> (<u>otherwise returns false</u>).

- A boolean method method called <em>changeCombo</em> is created to check if given numbers are correct. If they are correct, it assigns new values for the combination and <u>returns true</u> (<u>otherwise returns false</u>).

5 0
3 years ago
is there a way to send files from my PC to my iPhone? My PC’s wifi receptors are broken so it cannot connect to wifi. Is there a
Alex_Xolod [135]

Answer:

I believe you need a internet connection for that or try a Hotspot that can work too.

5 0
3 years ago
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