A group of bits that tell the computer to perform a specific operation is known as_______ A. Instruction code B. Micro-operation C. Accumulator D. Register

A group of bits that tell the computer to perform a specific operation is known as_______ A. Instruction code B. Micro-operation C. Accumulator D. Register
by

1 Answer

Answer :

A. Instruction code
by
selected

Related questions

The register which holds the address of the location to or from which data are to be transferred is known as_______ A. Instruction Register B. Control register C. Memory Address Register D. None of the Above

Description : The register which holds the address of the location to or from which data are to be transferred is known as_______ A. Instruction Register B. Control register C. Memory Address Register D. None of the Above

Last Answer : C. Memory Address Register

The load instruction is mostly used to designate a transfer from memory to a processor register known as_________ A. Accumulator B. Instruction Register C. Program counter D. Memory address Register

Description : The load instruction is mostly used to designate a transfer from memory to a processor register known as_________ A. Accumulator B. Instruction Register C. Program counter D. Memory address Register

Last Answer : A. Accumulator

A basic instruction that can be interpreted by computer generally has ________ A. An operand and an address B. decoder and an accumulator C. Sequence register and decoder D. None of the Above

Description : A basic instruction that can be interpreted by computer generally has ________ A. An operand and an address B. decoder and an accumulator C. Sequence register and decoder D. None of the Above

Last Answer : A. An operand and an address

Desktop and Personal computers are also known as_______ (A) Super Computer (B) Quantum Computer (C) Mainframe Computer (D) Micro Computer

Description : Desktop and Personal computers are also known as_______ (A) Super Computer (B) Quantum Computer (C) Mainframe Computer (D) Micro Computer

Last Answer : (D) Micro Computer

The act of writing new data into register (1) is possible only when the register is an accumulator (2) is possible only when the register is an accumulator or instruction register (3) erases the previous contents of the register (4) is non-destructive to existing contents

Description : The act of writing new data into register (1) is possible only when the register is an accumulator (2) is possible only when the register is an accumulator or instruction register (3) erases the previous contents of the register (4) is non-destructive to existing contents

Last Answer :  is possible only when the register is an accumulator or instruction register

A computer which CPU speed around 100 million instruction per second and with the word length of around 64 bits is known as A) Super computer B) Mini computer C) Micro computer D) Macro computer

Description : A computer which CPU speed around 100 million instruction per second and with the word length of around 64 bits is known as A) Super computer B) Mini computer C) Micro computer D) Macro computer

Last Answer : Answer : A

Which operation are binary type, and are performed on bits string that is placed in register: a. Logical micro operation b. Arithmetic micro operation c. Both d. None

Description : Which operation are binary type, and are performed on bits string that is placed in register: a. Logical micro operation b. Arithmetic micro operation c. Both d. None

Last Answer : a. Logical micro operation

A single instruction to clear the lower four bits of the accumulator I 8085 assembly language is:

Last Answer : A single instruction to clear the lower four bits of the accumulator I 8085 assembly language is: ANI FOH

Various machine level components are: a. Address register > Program counter c Data register d. Accumulator register e. Memory of 2K,16 bits/word RAM f. Multiplexers g. Allof these

Description : Various machine level components are: a. Address register > Program counter c Data register d. Accumulator register e. Memory of 2K,16 bits/word RAM f. Multiplexers g. Allof these

Last Answer : g. Allof these

What the Difference between accumulator and instruction register 8080?

Description : What the Difference between accumulator and instruction register 8080?

Last Answer : Examples: /360: no accumulator 8080: A 6800: A and B 8086: AX ...

In an 8085 microprocessor, the instruction CMP B has been executed while the contentsof accumulator is less than that of register B. As a result carry flag and zero flag will berespectively (A) set, reset (B) reset, set (C) reset, reset (D) set, set

Description : In an 8085 microprocessor, the instruction CMP B has been executed while the contentsof accumulator is less than that of register B. As a result carry flag and zero flag will berespectively (A) set, reset (B) reset, set (C) reset, reset (D) set, set

Last Answer : (A) set, reset

a computer which CPU speed around 100 million instruction per second and with the word length of around 64 bits is known as a. Super computer b. Mini computer c. Micro computer d. Macro computer

Description : a computer which CPU speed around 100 million instruction per second and with the word length of around 64 bits is known as a. Super computer b. Mini computer c. Micro computer d. Macro computer

Last Answer : Super computer

a computer which CPU speed around 100 million instruction per second and with the word length of around 64 bits is known as a. Super computer b. Mini computer c. Micro computer d. Macro computer

Description : a computer which CPU speed around 100 million instruction per second and with the word length of around 64 bits is known as a. Super computer b. Mini computer c. Micro computer d. Macro computer

Last Answer : Super computer

a computer which CPU speed around 100 million instruction per second and with the word length of around 64 bits is known as a. Super computer b. Mini computer c. Micro computer d. Macro computer

Description : a computer which CPU speed around 100 million instruction per second and with the word length of around 64 bits is known as a. Super computer b. Mini computer c. Micro computer d. Macro computer

Last Answer : a. Super computer

a computer which CPU speed around 100 million instruction per second and with the word length of around 64 bits is known as a. Super computer b. Mini computer c. Micro computer d. Macro computer

Description : a computer which CPU speed around 100 million instruction per second and with the word length of around 64 bits is known as a. Super computer b. Mini computer c. Micro computer d. Macro computer

Last Answer : a. Super computer

The function of these microinstructions is to issue the micro orders to_ _ a. CPU b. Memory c. Register d. Accumulator

Description : The function of these microinstructions is to issue the micro orders to_ _ a. CPU b. Memory c. Register d. Accumulator

Last Answer : a. CPU

Which of the following instruction perform the move accumulator to external RAM of 16bit address? a) MOV @ DPTR, A b) MOVX @ Ri, A c) MOV A, @ Ri d) MOVX @ DPTR, A

Description : Which of the following instruction perform the move accumulator to external RAM of 16bit address? a) MOV @ DPTR, A b) MOVX @ Ri, A c) MOV A, @ Ri d) MOVX @ DPTR, A

Last Answer : c) MOV A, @ Ri

Which of the following instruction perform as of indirect RAM to accumulator? a) MOV A, Rn b) MOV @Ri, A c) MOV A, @Ri d) MOV Rn, A

Description : Which of the following instruction perform as of indirect RAM to accumulator? a) MOV A, Rn b) MOV @Ri, A c) MOV A, @Ri d) MOV Rn, A

Last Answer : c) MOV A, @Ri

Factors that create opportunities and threats to business units is known as_______. A. internal environment. B. external environment. C. micro environment. D. macro environment.

Description : Factors that create opportunities and threats to business units is known as_______. A. internal environment. B. external environment. C. micro environment. D. macro environment.

Last Answer : D. macro environment.

A byte addressable computer has a memory capacity of 2 m Kbytes and can perform 2 n operations. An instruction involving 3 operands and one operator needs a maximum of (A) 3m bits (B) m + n bits (C) 3m + n bits (D) 3m + n + 30 bits

Description : A byte addressable computer has a memory capacity of 2 m Kbytes and can perform 2 n operations. An instruction involving 3 operands and one operator needs a maximum of (A) 3m bits (B) m + n bits (C) 3m + n bits (D) 3m + n + 30 bits

Last Answer : (D) 3m + n + 30 bits

The ___________ contains the address of the next instruction to be executed. a) IR b) PC c) Accumulator d) System counter

Description : The ___________ contains the address of the next instruction to be executed. a) IR b) PC c) Accumulator d) System counter

Last Answer : Answer: b Explanation: PC stands for program counter (It contains the address of the next instruction to be executed)

Find out the incorrect feature of Assembly language among following: a) It is also provided by the manufacturer b) One instruction for each computer operation c) Instruction codes are represented by mnemonics (a set of letters) and the code must be assembled into machine language for execution d) All of the Above e) None of These

Description : Find out the incorrect feature of Assembly language among following: a) It is also provided by the manufacturer b) One instruction for each computer operation c) Instruction codes are represented by mnemonics ... be assembled into machine language for execution d) All of the Above e) None of These

Last Answer : e) None of These

Main storage is also called A) Accumulator B) Control Unit C) Register Unit D) Memory

Description : Main storage is also called A) Accumulator B) Control Unit C) Register Unit D) Memory

Last Answer : Answer : D

________ is a register for Short-term, intermediate storage of arithmetic and logic data in a Computer’s CPU. A. Accumulator B. Bus C. Buffer D. None of the Above

Description : ________ is a register for Short-term, intermediate storage of arithmetic and logic data in a Computer’s CPU. A. Accumulator B. Bus C. Buffer D. None of the Above

Last Answer : A. Accumulator

The stack pointer in the 8085 microprocessor is a: a) 16 bit register that points to stack memory locations b) 16 bit accumulator c) Memory location in the stack d) None of The Above

Description : The stack pointer in the 8085 microprocessor is a: a) 16 bit register that points to stack memory locations b) 16 bit accumulator c) Memory location in the stack d) None of The Above

Last Answer : a) 16 bit register that points to stack memory locations

Cellular manufacturing is also known as_______ a.Manufacturing Technology b.Production Technology c.Group Technology d.None of the above

Description : Cellular manufacturing is also known as_______ a.Manufacturing Technology b.Production Technology c.Group Technology d.None of the above

Last Answer : c.Group Technology

The branch logic that provides decision making capabilities in the control unit is known as_______ A. conditional transfer B. unconditional transfer C. Both (A) and (B) D. None of the above

Description : The branch logic that provides decision making capabilities in the control unit is known as_______ A. conditional transfer B. unconditional transfer C. Both (A) and (B) D. None of the above

Last Answer : B. unconditional transfer

BASIC stands for: a) Basic Access towards Skills in Computer b) Beginner's All Purpose Symbolic Instruction Code c) Binary And Specific Instruction Code d) None of These

Description : BASIC stands for: a) Basic Access towards Skills in Computer b) Beginner's All Purpose Symbolic Instruction Code c) Binary And Specific Instruction Code d) None of These

Last Answer : b) Beginner's All Purpose Symbolic Instruction Code

five bits of OPR select one of the operation inthe __ in control register. a. CPU b. RISC ec ALU d. MUX

Description : five bits of OPR select one of the operation inthe __ in control register. a. CPU b. RISC ec ALU d. MUX

Last Answer : ec ALU

The instruction fetch operation is initiated by loading the contents of program counter into the and sends _ request to memory: a. Memory register and read b. Memory register and write c. Data register and read d. Address register and read

Description : The instruction fetch operation is initiated by loading the contents of program counter into the and sends _ request to memory: a. Memory register and read b. Memory register and write c. Data register and read d. Address register and read

Last Answer : d. Address register and read

The register which keeps track of the execution of a program and which contains the memory address of the instruction currently being executed is known as: a) Index Register b) Memory Address Register c) Program Counter d) None of The Above

Description : The register which keeps track of the execution of a program and which contains the memory address of the instruction currently being executed is known as: a) Index Register b) Memory Address Register c) Program Counter d) None of The Above

Last Answer : c) Program Counter

Arithmetic operation are carried by such micro operation on stored numeric data available in a. Register b. Data c. Both d. None

Description : Arithmetic operation are carried by such micro operation on stored numeric data available in a. Register b. Data c. Both d. None

Last Answer : a. Register

A micro operation every bit of a register is a: a. Constant b. Variable c. Both d. None

Description : A micro operation every bit of a register is a: a. Constant b. Variable c. Both d. None

Last Answer : b. Variable

Which operation refer bitwise manipulation of contents of register: a. Logical micro operation b. Arithmetic micro operation c. Shift micro operation d. None of these

Description : Which operation refer bitwise manipulation of contents of register: a. Logical micro operation b. Arithmetic micro operation c. Shift micro operation d. None of these

Last Answer : a. Logical micro operation

Execution of instruction specified by instruction to perform: a. Operation b. Operands c. Both a &b d. None of these

Description : Execution of instruction specified by instruction to perform: a. Operation b. Operands c. Both a &b d. None of these

Last Answer : a. Operation

Arithmetic instruction are used to perform operation on: a. Numerical data b. Non-numerical data c. Both d. None

Description : Arithmetic instruction are used to perform operation on: a. Numerical data b. Non-numerical data c. Both d. None

Last Answer : a. Numerical data

In which instruction are used to perform Boolean operation on non-numerical data: a. Logical and bit manipulation b. Shift manipulation c. Circular manipulation d. None of these

Description : In which instruction are used to perform Boolean operation on non-numerical data: a. Logical and bit manipulation b. Shift manipulation c. Circular manipulation d. None of these

Last Answer : a. Logical and bit manipulation

__is divided into a number of fields and is represented as a sequence of bits: a. instruction b. — instruction set c. instruction code d. parity code

Description : __is divided into a number of fields and is represented as a sequence of bits: a. instruction b. — instruction set c. instruction code d. parity code

Last Answer : a. instruction

In immediate addressing the operand is placed a. in the CPU register b. after OP code in the instruction c. in memory d. in stack

Description : In immediate addressing the operand is placed a. in the CPU register b. after OP code in the instruction c. in memory d. in stack

Last Answer : b. after OP code in the instruction

In microprocessor the next instruction to be executed is stored in a) Program Counter b) Stack Pointer c) Memory Pointer d) Accumulator

Description : In microprocessor the next instruction to be executed is stored in a) Program Counter b) Stack Pointer c) Memory Pointer d) Accumulator

Last Answer : Ans: Program Counter

When a subroutine is called, the address of the instruction following the CALL instructions stored in/on the a. stack pointer b. accumulator c. program counter d. stack

Description : When a subroutine is called, the address of the instruction following the CALL instructions stored in/on the a. stack pointer b. accumulator c. program counter d. stack

Last Answer : d. stack

The contents of accumulator before CMA instruction is A5H. Its content after instructionexecution isa) A5H b) 5AH

Description : The contents of accumulator before CMA instruction is A5H. Its content after instructionexecution isa) A5H b) 5AH

Last Answer : b) 5AH

What is the Result of RR A instruction if accumulator contains 1000 0000. a) 0000 0001 b) 0000 0000 c) 0100 0000 d) 0000 0010

Description : What is the Result of RR A instruction if accumulator contains 1000 0000. a) 0000 0001 b) 0000 0000 c) 0100 0000 d) 0000 0010

Last Answer : a) 0000 0001

If initial content of accumulator is 44 H, find out the new content of accumulator after execution of the instruction RR A

Description : If initial content of accumulator is 44 H, find out the new content of accumulator after execution of the instruction RR A

Last Answer : Contents of Acc will be 22H ( as RR A divides acc by 2)

The Complement Accumulator (CMA) instruction of 8085 processor on execution affects...

Description : The Complement Accumulator (CMA) instruction of 8085 processor on execution affects a. Zero Flag b. Sign Flag c. Carry Flag d. None of the flags

Last Answer : B

Single address computer instruction has two parts: a. The operation code b. The operand c. A and B d. None of these

Description : Single address computer instruction has two parts: a. The operation code b. The operand c. A and B d. None of these

Last Answer : c. A and B

Which is used to store critical pieces of data during subroutines and interrupts: a. Stack b. Queue c. Accumulator d. Data register

Description : Which is used to store critical pieces of data during subroutines and interrupts: a. Stack b. Queue c. Accumulator d. Data register

Last Answer : a. Stack

In Microprocessor one of the operands holds a special register called: a. Calculator b. Dedicated c. Accumulator d. None of these

Description : In Microprocessor one of the operands holds a special register called: a. Calculator b. Dedicated c. Accumulator d. None of these

Last Answer : c. Accumulator

Describe Briefly The Accumulator Register Of 8085.?

Description : Describe Briefly The Accumulator Register Of 8085.?

Last Answer : Answer :It is one of the most important 8 bit register of 8085 It is responsible for coordinating input and output to and from the microprocessor through it. The primary purpose of ... logical operations. This accumulator register is mainly used for arithmetic, logical, store and rotate operations.

Write A Program That Will Store The Contents Of An Accumulator And Flag Register At Locations 2000h And 2001h.?

Description : Write A Program That Will Store The Contents Of An Accumulator And Flag Register At Locations 2000h And 2001h.?

Last Answer : Answer :By making use of the Push & Pop instructions the program can be written as: LXISP, 4000H - this step initiates the SP at 4000h. PUSH PSW - the contents of the accumulator and flag are pushed into the stack. POP B MOV A, B STA 2000H MOV A, C STA 2001H HLT