Description : LM stands for: a. Least MAR b. Load MAR c. Least MRA d. Load MRA
Last Answer : b. Load MAR
Description : What are the functions of an accumulator?
Last Answer : The accumulator is the register associated with the ALU operations and sometimes I/O operations. It is an integral part of ALU. It holds one of data to be processed by ALU. It also temporarily stores the result of the operation performed by the ALU.
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
Description : The contents of accumulator before CMA instruction is A5H. Its content after instructionexecution isa) A5H b) 5AH
Last Answer : b) 5AH
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
Description : Actual data processing operations are performed in the arithmetic logic section, but not in the …. Storage section of a processor unit a. Primary b. Accumulator c. Buffer d. Secondary
Last Answer : a. Primary
Description : A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is a. Memory b. Buffer c. Accumulator d. Address
Last Answer : b. Buffer
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
Description : Accumulator based microprocessor example are: a. Intel 8085 b. Motorola 6809 c. A and B d. None of these
Last Answer : c. A and B
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
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
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
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
Description : MSD stands for: a. Least significant digit b. Most significant digit c. Medium significant digit d. low significant digit
Last Answer : b. Most significant digit
Description : CISC stands for: a. Complex instruction set computer b. Camper instruct set of computer c. Compared instruction set computer d. None of these
Last Answer : a. Complex instruction set computer
Description : RISC stands for: a. Reduced Instruction set computer b. Reduced Instruct set compare c. Reduced instruction stands computer d. All of these 107. DEC stands for:
Last Answer : a. Reduced Instruction set computer
Description : ISA stands for: a. Instruct set area b. Instruction set architecture c. Both a and b d. None of these
Last Answer : b. Instruction set architecture
Description : VGA stands for: a. Visual graph area b. Visual graphics array c. Visual graph accept d. All of these
Last Answer : b. Visual graphics array
Description : GUI stands for: a. Graphical user interface b. Graph used Intel c. Graphical use inter d. None of these
Last Answer : a. Graphical user interface
Description : CAD stands for: a. Computer aided drafting b. Compare aided drafting c. Both A and B d. None of these
Last Answer : a. Computer aided drafting
Description : BCD stands for: a. Binary coded decimal b. Based coded decimal c. Both A and B d. None of these
Last Answer : a. Binary coded decimal
Description : MOSFET stands for? a. Metal-oxide-semiconductor field effect transistor b. Metal-oxide-semiconductor fan effort transistor c. Both A and B d. None of these
Last Answer : a. Metal-oxide-semiconductor field effect transistor
Description : HMOS stands for: a. High performance metal oxide semiconductor b. High processor metal oxide semiconductor c. Both A and b d. None of these
Last Answer : a. High performance metal oxide semiconductor
Description : NMOS stands for: a. N-channel metal-oxide-semiconductor b. P-channel metal-oxide-semiconductor c. N-channel memory-oxide-semiconductor d. All the above
Last Answer : a. N-channel metal-oxide-semiconductor
Description : PMOS stands for: a. P-channel metal-oxide-semiconductor b. P-channel memory –oxide-semiconductor c. Both A and B d. None of these
Last Answer : a. P-channel metal-oxide-semiconductor
Description : RISC stands for: a. Reduced Instruction Set Computer b. Reduced Intergraded Set Computer c. Resource Instruction Set Computer d. Resource Instruction System Computer
Last Answer : a. Reduced Instruction Set Computer
Description : CISC stands for: a. Complex Instruction System Computer b. Complex Instruction Set Car c. Complex Instruction Set Computer d. None of these
Last Answer : c. Complex Instruction Set Computer
Description : CAD stands for a. Computer aided design b. Computer algorithm for design c. Computer application in design d. All of the above
Last Answer : a. Computer aided design
Description : ASCII stands for a. American Stable Code for International Interchange b. American Standard Case for Institutional Interchange c. American Standard Code for Information Interchange d. American Standard Code for Interchange Information
Last Answer : c. American Standard Code for Information Interchange
Description : EBCDIC stands for a. Extended Binary Coded Decimal Interchange Code b. Extended Bit Code Decimal Interchange Code c. Extended Bit Case Decimal Interchange Code d. Extended Binary Case Decimal Interchange Code
Last Answer : a. Extended Binary Coded Decimal Interchange Code
Description : MICR stands for a. Magnetic Ink Character Reader b. Magnetic Ink Code Reader c. Magnetic Ink Cases Reader d. None
Last Answer : a. Magnetic Ink Character Reader
Description : WAN stands for a. Wap Area Network b. Wide Area Network c. Wide Array Net d. Wireless Area Network
Last Answer : b. Wide Area Network
Description : MSI stands for a. Medium Scale Integrated Circuits b. Medium System Integrated Circuits c. Medium Scale Intelligent Circuit d. Medium System Intelligent Circuit
Last Answer : b. Medium System Integrated Circuits
Description : CD-ROM stands for a. Compactable Read Only Memory b. Compact Data Read Only Memory c. Compactable Disk Read Only Memory d. Compact Disk Read Only Memory
Last Answer : d. Compact Disk Read Only Memory
Description : CRT stands for: a. Cathode ray tube b. Compared ray tube c. Command ray tube d. None of these
Last Answer : a. Cathode ray tube
Description : DMA stands for: a. Dynamic memory access b. Data memory access c. Direct memory access d. Both B and C
Last Answer : d. Both B and C
Description : DMA stands for: a. Direct memory access b. Direct memory allocation c. Data memory access d. Data memory allocation
Last Answer : a. Direct memory access
Description : MOC stands for: a. Memory operation complex b. Micro operation complex c. Memory operation complete d. None of these
Last Answer : c. Memory operation complete
Description : VAM stands for: a. Valid memory address b. Virtual memory address c. Variable memory address d. None of these
Last Answer : a. Valid memory address
Description : MDR stands for: a. Memory data register b. Memory data recode c. Micro data register d. None of these
Last Answer : a. Memory data register
Description : MAR stands for: a. Memory address register b. Memory address recode c. Micro address register d. None of these
Last Answer : a. Memory address register
Description : SAM stands for: a. Simple architecture machine b. Solved architecture machine c. Both a & b d. None of these
Last Answer : a. Simple architecture machine
Description : WE stands for: a. Write enable b. Wrote enable c. Write envy d. None of these
Last Answer : a. Write enable
Description : CS stands for: a. Cable select b. Chip select c. Control select d. Cable system
Last Answer : b. Chip select
Description : EPROM stands for:
Last Answer : a. Erasable Programmable read-only memory
Description : PROM stands for: a. Programmable read-only memory
Last Answer : a. Programmable read-only memory
Description : BCD stands for: a. Binary coded decimal b. Binary coded decoded c. Both a & b d. none of these
Description : ED stands for: a. Enable MRD b. Enable MDR c. Both a and b d. None of these
Last Answer : b. Enable MDR
Description : SP stands for: a. Status pointer b. Stack pointer c. a and b d. None of these
Last Answer : b. Stack pointer
Description : IR stands for: a. Intel register b. In counter register c. Index register d. Instruction register
Last Answer : d. Instruction register