Description : In instruction formats instruction is represent by a___ _ of bits: a. Sequence b. Parallel c. Both d. None
Last Answer : a. Sequence
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 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 : 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 : 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
Last Answer : a. Memory reference instruction
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 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 : 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 instruction are used in multithreaded parallel processor architecture. a. Memory reference instruction b. Memory reference format c. Both d. None of these
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 : __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 : The length of instruction set depends on: a. Data size b. Memory size c. Both d. None
Last Answer : b. Memory size
Description : In length instruction some programs wants a complex instruction set containing more instruction, more addressing modes and greater address rang, as in case of a. RISC b. CISC c. Both d. None
Last Answer : b. CISC
Description : In length instruction other programs on the other hand, want a small and fixed-size instruction set that contains only a limited number of opcodes, as in case of a. RISC b CISC c. Both d. None
Last Answer : a. RISC
Description : The instruction set can have variable-length instruction format primarily due to: a. Varying number of operands b. Varying length of opcodes in some CPU ce. Both d. None
Last Answer : ce. Both
Description : Which unit is necessary for the execution of instruction: a. Timing b. Control ce. Both d. None of these
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 : 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 : 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 : To design a program it requires __ os a. Program specification b. Code specification c. Instruction specification d. Problem specification
Last Answer : a. Program specification
Description : Call instruction is written inthe ss program. a. Main b. Procedures c. Program d. Memory
Last Answer : a. Main
Description : Return instruction is written in_ to written to main program: a. Subroutine b. Main program c. Botha &b d. None of these
Last Answer : a. Subroutine
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 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 : Each instruction is executed by set of micro operations termed as. a. Micro instructions b. Mini instructions c. Botha &b d. None of these
Last Answer : a. Micro instructions
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 : 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 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 : 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 : 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 : The control memory contains a set of words where each word is: a. Microinstruction b. Program c. Sets d. All of these
Last Answer : a. Microinstruction
Description : If flag is set then control unit issues control signals that causes program counter to be incremented by 1. a. Zero b. One c. Three d. Eight
Last Answer : a. Zero
Description : In_ instructions are followed one after the other in the preset order in which they appear within program: a. Sequence b Selection c. Break d. Iteration
Description : Sequence of microinstructions is termed as micro program or a. Hardware b. Software c. Firmware d. None of these
Last Answer : c. Firmware
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 : 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 instruction are 32 bits long , with extra 16 bits. a. Memory reference instruction b. Memory reference format c. Both d. None of these
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 : Each instruction is also accompanied by a___ : a. Microprocessor b. Microcode c. Both d. None of these
Last Answer : b. Microcode
Description : An instruction code must specify the address of the__. a. Opecode b. Operand c. Both d. None
Last Answer : b. Operand
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
Description : Which processor has a single instruction multiple data stream organization that manipulates the common instruction by means of multiple functional units. a. Attached array processor b. SIMD array processor c. Both d. None
Last Answer : b. SIMD array processor
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 a new instruction is read from the memory: a Decode b. Fetch c. Execute d. None of these
Last Answer : b. Fetch
Description : Decode is the step during which instruction is__ a. Initialized b. Incremented c. Decoded d. Bothb&c
Last Answer : c. Decoded