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 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 : 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 : Decode is the step during which instruction is__ a. Initialized b. Incremented c. Decoded d. Bothb&c
Last Answer : c. Decoded
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 : Jump has 3 major states are: a. Fetch b. Decode c. Complete d= Allof these
Last Answer : d= Allof these
Description : How do the contents of the MAR and MDR registers changes during the fetch decode execute cycle?
Last Answer : Need answer
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
Last Answer : b. CPU
Description : Micro-orders generate the_ __ address of operand and execute instruction and prepare for fetching next instruction from the main memory: a. Physical b. Effective c. Logical d. all of above
Last Answer : b. Effective
Description : A computer executes programs in the sequence of : (1) Execute, Fetch, Decode (2) Store, Fetch, Execute (3) Fetch, Decode, Execute (4) Decode, Fetch, Execute
Last Answer : Fetch, Decode, Execute
Description : The time required to complete one instruction is called. a. Fetch time b. Execution time c. Control time d. All of these
Last Answer : b. Execution time
Description : _is sequence of instructions is executed and repeated any no. of times in loop until logical condition is true: a. Iteration b. Repetition c Botha&b d. None of these
Last Answer : c Botha&b
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 : 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 : The necessary steps carried out to perform the operation of accessing either memory or I/O Device, constitute a ___________________ a) fetch operation b) execute operation c) machine cycle
Last Answer : c) machine cycle
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 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 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 : Call instruction is written inthe ss program. a. Main b. Procedures c. Program d. Memory
Last Answer : a. Main
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 : 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 : 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 : Instruction formats contains the memory address of the a. Memory data b. Main memory Cc. CPU d. ALU
Last Answer : b. Main memory
Description : The length of instruction set depends on: a. Data size b. Memory size c. Both d. None
Last Answer : b. Memory size
Description : MIMD stands for: a. Multiple input multiple data b. Memory input multiple data c. Multiple instruction multiple data d. Memory instruction multiple data
Last Answer : c. Multiple instruction multiple data
Description : Which types of jump keeps a 2_byte instruction that holds the range from- 128to127 bytes in the memory location: a. Far jump b. Near jump ce. Short jump d. __ Allof these
Last Answer : ce. Short jump
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 : 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 : What is the purpose of microinstruction executions. a. Generate a control signal b. Generate a control signal to compile c. Generate a control signal to execute d. Allof these
Last Answer : c. Generate a control signal to execute
Description : The fetch-execute cycle is to use a system know as: a. Assembly line b. Pipelining c. Cache d. None of these
Last Answer : b. Pipelining
Description : Who is the represents the fundamental process in the operation of the CPU: a. The fetch-execute cycle and pipelining b. The assembly c. Both A and B d. None of these
Last Answer : a. The fetch-execute cycle and pipelining
Description : How can we make computers work faster? a. The fetch-execute cycle and pipelining b. The assembly c. Both A and B d. None of these
Description : In memory read the operation puts memory address on to a register known as : a. PC b. ALU ce. MAR d. — Allof these
Last Answer : ce. MAR
Description : Which operation puts memory address in memory address register and data in DR. a Memory read b. Memory write c Both d. None
Last Answer : b. Memory write
Description : Which types of register holds a single vector containing at least two read ports and one write ports: a. Data system b. Data base Cc. Memory d. Vector register
Last Answer : d. Vector register
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 : 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 : 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 : 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 : 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 : 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 : 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 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 : Which unit is necessary for the execution of instruction: a. Timing b. Control ce. Both d. None of these
Last Answer : ce. Both
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