Description : The operation is specified by a binary code known as the a. Operand code b. Opcode c. Source code d. — Allof these
Last Answer : b. Opcode
Description : specify where to get the source and destination operands for the operation specified by the a. Operand fields and opcode b. Opcode and operand c. Source and destination d. Cpu and memory
Last Answer : a. Operand fields and opcode
Description : Two important fields of an instruction are. a. Opcode b. Operand c. Only a d. Botha&b
Last Answer : d. Botha&b
Description : Opcode is the machine instruction obtained from decoding instruction stored in. a. Stack pointer b. Address pointer Cc. Instruction register d. Incrementer
Last Answer : Cc. 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 : 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 : isacommand given to a computer to perform a specified operation on some given data. a. Aninstruction b. Command c. Code d. None of these
Last Answer : a. Aninstruction
Description : Each check bit is grouped with the information bits as specified by a__ a. Parity check code b. Parity check matrix c. Parity check bit d. All of these
Last Answer : b. Parity check matrix
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 : 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 : 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 : An instruction code must specify the address of the__. a. Opecode b. Operand c. Both d. None
Last Answer : b. Operand
Description : SPARC stands for. a. Scalable programmer architecture b. Scalable processor architecture c Scalable point architecture d. None of these
Last Answer : b. Scalable processor architecture
Description : The front panel display provides lights as green LED represent sand red LED represent _ for device programmer who writes input/output basic: a. Busy and Error b. Error and Busy c. Busy and Busy d. Error and Error
Last Answer : a. Busy and Error
Description : Instruction in computer languages consists of A) OPCODE B) OPERAND C) Both of above D) None of above
Last Answer : Answer : C
Description : Instruction in computer languages consists of a. OPCODE b. OPERAND c. Both of above d. None of above
Last Answer : Both of above
Last Answer : c. Both of above
Description : Which language specifies a digital system which uses specified notation: a. Register transfer b. Arithmetic c. Logical d. — Allof these
Last Answer : a. Register transfer
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 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 : 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 : __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 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 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
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 : Which unit is necessary for the execution of instruction: a. Timing b. Control ce. Both d. None of these
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 : 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 : 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 : 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 : 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 : Each instruction is also accompanied by a___ : a. Microprocessor b. Microcode c. Both d. None of these
Last Answer : b. Microcode
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 : 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 : 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