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3 years ago

A DBMS commonly receives data update requests from application programs.A. TrueB. False

Computers and Technology

1 answer:

Contact [7]3 years ago

4 0

Answer:

A. True

Explanation:

DBMS is an acronym for database management system and it can be defined as a collection of software applications that typically enables computer users to create, store, modify, retrieve 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.

Some examples of a database management system (DBMS) are RDBMS, Oracle, SQL server, PostgreSQL, dBASE, Clipper, MySQL, Microsoft Access, etc.

A DBMS commonly receives data update requests from application programs through the Open Database Connectivity ( ODBC ) driver in case of communication with other database management softwares.

Basically, when a database management system (DBMS) receives data update requests from application programs, it simply instructs the operating system installed on a server to provide the requested data or informations.

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3 years ago

In 4-bit two's complement representation, what is the binary encoding of the number -5?

Katena32 [7]

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a) 1011

Explanation:

In 4 bit two's complement representation, the first bit is the sign bit.

If the sign bit is 1, the number is negative.

If the sign bit is 0, the number is positive.

What is the magnitude of the sign bit?

In n-bit two's complement representation, the magnitude of the sign bit is:

$2^{n-1}-1$

So, in 4-bit two's complement representation, the magnitude of the sign bit is:

$2^{4-1}-1 = 8$

Since the number is negative, the value of this bit is -8.

The other bits are magnitude bits, positive.

We have that the sum of these bits must be -5, and we already have -8. So what should be the value of these last 3 bits?

First, i am going to solve this equation to find the decimal value of the last three bits.

$-5 = -8 + x$

$x = 3$

So, the last three bits are:

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The binary encoding of the number -5 is:

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2 years ago

Frank is preparing a subsection of the SRS document that specifies data formats, data integrity, and storage capabilities. Which

Flauer [41]

The subsection which Frank is preparing for the SRS document that specifies data formats, data integrity, and storage capabilities is Logical Database Requirements.

<h3>What is SRS document?</h3>

SRS document of the software requirement specification document is the document which describes the function of a software and its procedure to perform a particular function.

Different types of requirement-

A. External Interface Requirements- This includes the interface of used, such as layout of screen, button etc.
B. Design Constraints- This includes the subcomponent of the system, such as performance requirement.
C. Inverse Requirements- It defines that what a system can not do.
D. Logical Database Requirements- Data of the user are saved in this such as profile, massage,data formats, data integrity, and storage capabilities etc.
E. Non-Functional Requirements-This includes attributes of system, performance, security etc.

Frank is preparing a subsection of the SRS document that specifies data formats, data integrity, and storage capabilities.

Thus, the subsection which Frank is preparing for the SRS document that specifies data formats, data integrity, and storage capabilities is Logical Database Requirements.

Learn more about the SRS document here:

brainly.com/question/26161636

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