Description : Which cycle refers to the time period during which one instruction is fetched and executed by the CPU: a. Fetch cycle b. Instruction cycle c. Decode cycle d. Execute cycle
Last Answer : b. Instruction cycle
Description : __is the sequence of operations performed by CPU in processing an instruction: a. Execute cycle b. Fetch cycle c. Decode d. Instruction cycle
Last Answer : d. Instruction cycle
Description : _is the step during which a new instruction is read from the memory: a Decode b. Fetch c. Execute d. None of these
Last Answer : b. Fetch
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
Description : Which is the method by which instructions are selected for execution: a. Instruction selection b. — Selection control c. Instraction sequencing d. All of these
Last Answer : c. Instraction sequencing
Description : Which unit is necessary for the execution of instruction: a. Timing b. Control ce. Both d. None of these
Last Answer : ce. Both
Description : Which microinstruction provide next instruction from control memory: a. Microinstruction execution b. Microinstruction Buffer c. Microinstruction decoder d. Microinstraction Sequencing
Last Answer : d. Microinstraction Sequencing
Description : Jump has 3 major states are: a. Fetch b. Decode c. Complete d= Allof these
Last Answer : d= Allof these
Description : When subroutine is called contents of program counter is location address of __ instruction following call instruction is stored on _ __and program execution is transferred to __ address. a. Non ... , Stack and Main program Cc. Executable, Queue and Subroutine d. Executable, Stack and Subroutine
Last Answer : d. Executable, Stack and Subroutine
Description : The simplest method of controlling sequence of instruction execution is to have each instruction explicitly specify: a. The address of next instruction to be run b. Address of previous instruction c. Both a &b d. None of these
Last Answer : a. The address of next instruction to be run
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
Description : Which of the following 2 task are performed to execute an instruction by MCU: a. Microinstruction execution b. Microinstruction sequencing c. Botha&b d. None of these
Last Answer : c. Botha&b
Description : Copy of instruction in cache memory is known as: a Execution cache b. Data cache c. Instruction cache d. Allof these
Last Answer : c. Instruction cache
Description : state keeps track of position related to execution of an instruction: a. Major b. Minor c. Botha & b d. None of these
Last Answer : a. Major
Description : A CPU handles interrupt by executing interrupt service subroutine................. (A) by checking interrupt register after execution of each instruction (B) by checking interrupt register ... cycle (C) whenever an interrupt is registered (D) by checking interrupt register at regular time interval
Last Answer : (A) by checking interrupt register after execution of each instruction
Description : The complete set of op-codes for a particular microprocessor defines the_ set for that processor: a. Code b. Function c. Module d. Instruction
Last Answer : d. Instruction
Description : Ininstruction formats the information required by the _ for execution: a. ALU b. CPU Cc. RISC d. DATA
Last Answer : b. CPU
Description : Copy of data in cache memory is called. a. Datacache b. Execution cache c. Address cache d. Control cache
Last Answer : a. Datacache
Description : During program execution content of main memory undergo changes and, but control memory has _ microprogram: a. Static b. Dynamic c. Compile time d. Fixed
Last Answer : d. Fixed
Description : Which are instruction in which two machine cycle are required: a. Instruction cycle b. Memory reference instruction c. Both d. None of these
Last Answer : b. Memory reference instruction
Description : Which register holds the current instruction to be executed. a. Instruction register b. Program register 9 Control register a None of these
Last Answer : a. Instruction register
Description : One of use of microprogramming to implement _ ____ of processor in Intel 80x86 and Motorola 680x0 processors whose instruction set are evolved from 360 original. a. Control structure b. Without control c. Control unit d. Only control
Last Answer : c. Control unit
Description : Acontrol memory is__ stored in some area of memory: a. Control instraction b. Memory instruction c. Register instruction d. None of these
Last Answer : a. Control instraction
Description : Which is the input of control unit: a. Master clock signal b. Instruction register c. Flags d. Control signals from bus e. Allof these
Last Answer : e. Allof these
Description : Outputs of instruction/data path in CU are. a. Reg R/W b. Load/Reg-Reg c. ALU function select d. Load control e. Read control f. IR Latch g. JUMP/Branch/Next PC h_ = All of these
Last Answer : h_ = All of these
Description : Decoding of an instruction in RISC architecture means decision on working of control unit for: a. Remainder of instructions b. _ Divisor of instructions c. Dividend of instructions d. None of these
Last Answer : a. Remainder
Description : In program control the instruction is set for the statement in a: a. Parallel b. Sequence c. Both d. None
Last Answer : b. Sequence
Description : Who change the address in the program counter and cause the flow of control to be altered: a Shift manipulation b. Circular manipulation c. Program control instruction d. __ Allof these
Last Answer : c. Program control instruction
Description : Which is the main function of the computer. a. Execute of programs b. Execution of programs c. Both d. None of these
Last Answer : b. Execution of programs
Description : Assembler works to convert assembly language program into machine language : a. Before the computer can execute it b. After the computer can execute it c. In between execution d. All of these
Last Answer : a. Before the computer can execute it
Description : Which section is basically a sequence of instruction with a clear indication of beginning and end for updating shared variables. a. Racing section b. Critical section c. d. Both None of thes
Last Answer : . Critical sectio
Description : Two important fields of an instruction are. a. Opcode b. Operand c. Only a d. Botha&b
Last Answer : d. Botha&b
Description : As the instruction length increases ————_ of instruction addresses in all the instruction is_ a. Implicit inclusion b. Implicit and disadvantageous c. Explicit and disadvantageous d. Explicit and disadvantageous
Last Answer : c. Explicit and disadvantageous
Description : is the step during which the operations specified by the instruction are executed: a. Execute b. Decode c. Both a& b d. None of these
Last Answer : a. Execute
Description : Decode is the step during which instruction is__ a. Initialized b. Incremented c. Decoded d. Bothb&c
Last Answer : c. Decoded
Description : The contents of the program counter isthe __——__—oof the instruction to be run. a. Data b. Address c. Counter d. None of these
Last Answer : b. Address
Description : The instruction read from memory is then placed in the ___and contents of program counter is __ so that it contains the address of_ __ instruction in the program. a. Program counter, ... incremented and previous c. Instruction register, incremented and next d. Address register, decremented and next
Last Answer : c. Instruction register, incremented and next
Description : Which are designed to interpret a specified number of instruction code. a. Programmer b. Processors c. Instruction d. Opcode
Last Answer : b. Processors
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
Description : sis given an instruction in machine language this instruction is fetched from the memory by the CPU to execute: a. ALU b. CPU c. MU d. All of these
Description : Which instruction are 32 bits long , with extra 16 bits. a. Memory reference instruction b. Memory reference format c. Both d. None of these
Last Answer : a. Memory reference instruction
Description : Which instruction are used in multithreaded parallel processor architecture. a. Memory reference instruction b. Memory reference format c. Both d. None of these
Description : Which instruction are arranged as per the protocols of memory reference format of the input file in a simple ASCII sequence of integers between the range O to 99 separated by spaces without formatted text ... : a. Memory reference instruction b. Memory reference format c. Both d. None of these
Description : is an external hardware event which causes the CPU to interrupt the current instruction sequence: a. Input interrupt b. Output interrupt c. Both d. None of these
Last Answer : c. Both
Description : Which is the most important component of a digit computer that interprets the instruction and processes the data contained in computer programs: MU b. ALU c. CPU d. PC
Last Answer : c. CPU
Description : Which register holds the next instruction to be executed:
Last Answer : c. Program control register
Description : Each instruction is also accompanied by a___ : a. Microprocessor b. Microcode c. Both d. None of these
Last Answer : b. Microcode
Description : In second pass, assembler creates _ in binary format for every instruction in program and then refers to the symbol table to giving every symbol an_ _ relating the segment. a. Code and program b. Program and instruction c. Code and offset d. All of these
Last Answer : c. Code and offset
Description : Modern assemblers for RISC based architectures make optimization of instruction scheduling to make use of CPU __ efficiently: a. Pipeline b. Without pipeline c. Botha &b d. None of these
Last Answer : a. Pipeline
Description : To design a program it requires __ os a. Program specification b. Code specification c. Instruction specification d. Problem specification
Last Answer : a. Program specification