Languages-Assembly Language [3i Infotech Placement]: Sample Questions 24 - 26 of 51

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Question 24

Assembly Language

Write in Short

Short Answer▾

Why are program counter and stack pointer bit registers?

Explanation

  • Program Counter and Stack Pointer hold -bit memory addresses.
  • PC stores the memory address of the next instruction to be fetched.
  • Stack pointer can temporarily store the bit memory address as well as data.
  • So Program counter & Stack pointer are -bit registers.

Question 25

Assembly Language

Question

MCQ▾

Which addressing mode is used in the following statements?

a. MVI B,

b. MOV B, A

c. MOV M, A

Choices

Choice (4)

a.

Immediate addressing mode

b.

Register addressing mode

c.

Direct addressing mode.

d.

Question does not provide sufficient data or is vague

Answer

a.

Explanation

  • MOV - Moves immediate data to a register or memory location.
  • MVI B, h: Transfers an immediate number to register B.
  • MOV M, A: Immediate constant A is transferred to M.
  • MOV B, A: Immediate constant A is transferred to B.

Question 26

Assembly Language
Edit

Describe in Detail

Essay▾

RDBMS file system can be defined as

Explanation

Understanding of RDBMS
  • In general a Database Management System (DMS) is a collection files and programs that allow users to access and modify data- providing convenient and efficient way to store, retrieve and modify information.
  • Application programs request DBMS to retrieve, modify, insert, delete data providing abstraction between the application programs and the file system.
  • Users interact with DBMS using structured query language.
  • Relational database management system is based on a relational database- RDBMS refers of the database program itself.
  • It is software that executes queries on the data, including adding, updating, and searching for values in a relational database.
  • RDMS also provided a visual representation of the data.
  • Relational database is one where data is organized in table.

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