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 : 8253, 8257 c) 8257,8251 d)8251,825721.Consider the following set of 8085 instruction.MVI A,82HORA AJP DSPLYXRA ADSPLY:OUT PORT1HLT.The output at PORT1 isa) 00H b) FFH c) 92H d) 11H
Last Answer : a) 00H
Description : The contents of accumulator before CMA instruction is A5H. Its content after instructionexecution isa) A5H b) 5AH
Last Answer : b) 5AH
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 : 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 : IR stands for: a. Intel register b. In counter register c. Index register d. Instruction register
Last Answer : d. Instruction register
Description : In microcontroller and LCD interface which line will instruct the LCD that microcontroller is sending data? a) DB0 b) RW c) EN d) RS
Last Answer : d) RS
Description : How many operations are there in the instruction set of 8085 microprocessor?
Last Answer : There are 74 operations in the 8085 microprocessor.
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 : Virtual Mode Flag bit can be set using ____ instruction or any task switch operation only in the _____ mode a) IRET, Virtual b) POPF, Real c) IRET, protected d) POPF, protected
Last Answer : b) POPF, Real
Description : Which of the following instruction is used to set bit port directly? a) SET P1.0 b) MOV P1.0, bit c) SETB P1.0 d) JB P1.0, bit
Last Answer : JB P1.0, bit
Description : In data transfer manipulation designing as instruction set for a system isa complex_ a. Art b. System Cc. Computer d. None of these
Last Answer : a. Art
Description : .In an 8085 based system, the maximum number of input output devices can be connectedusing I/0 mapped I/O method isa) 64 b) 512 c) 256 d) 65536
Last Answer : b) 512
Description : The status that cannot be operated by direct instructions isa) Cy b) Z c) P d) AC
Last Answer : d) AC
Description : Which is not the main architectural feature of Power PC: a. It is not based on RISC b. Superscalar implementation c. Both 32 & 64 Bit d. Paged Memory management architecture
Last Answer : a. It is not based on RISC
Description : Instruction in computer languages consists of a. OPCODE b. OPERAND c. Both of above d. None of above
Last Answer : c. Both of above
Description : In which register instruction is decoded prepared and ultimately executed: a. Instruction register b. Current register c. Both a and b d. None of these
Last Answer : a. Instruction register
Description : _______ Stores the instruction currently being executed: a. Instruction register b. Current register c. Both a and b d. None of these
Description : The act of acquiring an instruction is referred as the____ the instruction: a. Fetching b. Fetch cycle c. Both a and b d. None of these
Last Answer : a. Fetching
Description : Which instruction set architecture is used in Raspberry Pi? A. X86 B. MSP C. AVR D. ARM
Last Answer : D. ARM
Description : What type of architecture is used in 8085 microprocessor?
Last Answer : Ans- INTEL 8085 is a 8-bit microprocessor. It's based on Von-Neumann architecture in which the data and instructions are in the same memory space without any distinction between them. Data line: 8-bits--Can ... of data at a time. Address line: 16-bits--Can address upto 2^16(64KB) of address space.
Description : PC’s use____ based on this architecture: a. CPU b. ALU c. MU
Last Answer : a. CPU
Description : Power PC microprocessor architecture is developed by: a. Apple b. IBM c. Motorola d. All of these
Last Answer : d. All of these
Description : Which is the architecture of microprocessor: a. CISC b. RISC c. All of these d. None of these
Last Answer : c. All of these
Description : Memory access in RISC architecture is limited to instructions a. CALL and RET b. PUSH and POP c. STA and LDA d. MOV and JMP
Last Answer : c. STA and LDA
Description : The external system bus architecture is created using from ______ architecture: a. Pascal b. Dennis Ritchie c. Charles Babbage d. Von Neumann
Last Answer : d. Von Neumann
Description : 8096 has following features fill up the following, i) ____ Register file, ii) ____ I/O Ports iii) ____ architecture. a) 256 byte, five 8bit, register to register b) 256 byte, four 8bit, register ... c) 232 byte, five 8bit, register to register d) 232 byte, six 8 bit, register to register
Last Answer : c) 232 byte, five 8bit, register to register
Description : How many synchronous and asynchronous modes are there in serial port of 8096? M. Krishna Kumar/IISc. Bangalore M5/V1/June 04/1 Microprocessors and Microcontrollers/ Multiple Choice Questions Architecture of Micro ... 2, 2 respectively b) 3,1 respectively c) 1, 3 respectively d) 1, 2 respectively
Last Answer : c) 1, 3 respectively
Description : 8096 has following features fill up the following, i) ____ Register file, ii) ____ I/O Ports iii) ____ architecture. a) 256 byte, five 8bit, register to register b) 256 byte, four 8bit, ... c) 232 byte, five 8bit, register to register d) 232 byte, six 8 bit, register to register
Last Answer : d) 232 byte, six 8 bit, register to register
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 : 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 : How does the microprocessor differentiate between data and instruction
Last Answer : When the first m/c code of an instruction is fetched and decoded in the instruction register, the microprocessor recognizes the number of bytes required to fetch the entire ... will be considered as data & the byte after the data will be treated as the next instruction.
Description : Why do we use XRA A instruction
Last Answer : The XRA A instruction is used to clear the contents of the Accumulator and store the value 00H.
Description : Explain the different instruction formats with examples
Last Answer : The instruction set is grouped into the following formats • One byte instruction MOV C,A • Two byte instruction MVI A,39H • Three byte instruction JMP 2345H
Description : Mention the categories of instruction and give two examples for each category
Last Answer : The instructions of 8085 can be categorized into the following five • Data transfer MOV Rd,Rs STA 16-bit • Arithmetic ADD R DCR M • Logical XRI 8-bit RAR • Branching JNZ CALL 16-bit • Machine control HLT NOP
Description : What is an instruction?
Last Answer : An instruction is a binary pattern entered through an input device to command the microprocessor to perform that specific function
Description : Define instruction cycle, machine cycle and T-state
Last Answer : Instruction cycle is defined, as the time required completing theexecution of an instruction. Machine cycle is defined as the time required completing one operation of accessing memory, I/O or ... request. Tcycle is defined as one subdivision of the operation performed in one clock period
Description : Explain the difference between a JMP instruction and CALL instruction.
Last Answer : A JMP instruction permanently changes the program counter. A CALL instruction leaves information on the stack so that the original program execution sequence can be resumed.
Description : Which is not the main feature of DEC Alpha: a. 64 Bit RISC processor b. Designed to replace 32 VAX(CISC) c. Seven stage split integer/floating point pipeline d. Variable Instruction length
Last Answer : d. Variable Instruction length
Description : How many speed of 8088,8085,8086 microprocessor: a. 2.5 Million instruction per second b. 1.5 Million instruction per second c. 3.5 Million instruction per second d. 1.6 Million instruction per second
Last Answer : a. 2.5 Million instruction per second
Description : Which is most commonly measured in terms of MIPS previously million instruction per second: a. Microprocessor b. Performance of a microprocessor c. Assembly line d. None of thes
Last Answer : b. Performance of a microprocessor
Description : When the RET instruction at the end of subroutine is executed, a. the information where the stack is iniatialized is transferred to the stack pointer b. the memory address of the RET instruction is ... two data bytes stored in the top two locations of the stack are transferred to the stack pointer
Last Answer : c. two data bytes stored in the top two locations of the stack are transferred to the program counter
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
Description : Interrupts which are initiated by an instruction are a. internal b. external c. hardware d. software
Last Answer : b. external
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 : Pipeline implement a. fetch instruction b. decode instruction c. fetch operand d. calculate operand e. execute instruction f. all of abve
Last Answer : f. all of abve
Description : What is the control unit's function in the CPU? a. To transfer data to primary storage b. to store program instruction c. to perform logic operations d. to decode program instruction
Last Answer : b. to store program instruction
Last Answer : d. software