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 : 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 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 : 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 : 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 : 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 : Which of the following registers is loaded with the contents of the memory location pointed by the PC? A) Memory address registers B) Memory data registers C) Instruction register D) Program counter
Last Answer : Answer : C
Description : Which of the following registers is loaded with the contents of the memory location pointed by the PC? a. Memory address registers b. Memory data registers c. Instruction register d. Program counter
Last Answer : Instruction register
Description : Which of the following registers is loaded with the contents of the memory location pointed by the PC? a. Memory address register b. Memory data register c. Instruction registers d. Program counter
Last Answer : c. Instruction registers
Last Answer : c. Instruction register
Description : Various machine level components are: a. Address register > Program counter c Data register d. Accumulator register e. Memory of 2K,16 bits/word RAM f. Multiplexers g. Allof these
Last Answer : g. Allof these
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 : 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 : 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 operation are implemented using a binary counter or combinational circuit: a Register transfer b. Arithmetic c. Logical d. __ Allof these
Last Answer : b. Arithmetic
Description : Before checking the program for errors in translating code into machine language the high level language code is loaded into __ a. Register b. Memory c. Data d. CPU
Last Answer : b. Memory
Description : If internal subroutine is called global data is used to pass values defining parameters between __ program and defined | a. Main and subroutine b. Local and subroutine c. Global and subroutine d. Global and main
Last Answer : a. Main and subroutine
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 : By whom address of external function in the assembly source file supplied by __ when activated: a. Assembler b. Linker c. Machine d. Code
Last Answer : b. Linker
Description : A flag isa __ __that keep track of a changing condition during computer run: a. Memory b. Register c. Controller d. None of these
Last Answer : d. None of these
Description : The control unit and arithmetic logic unit are know as the __ a. Central program unit b. Central processing unit
Last Answer : b. Central processing unit
Description : Itis the task of the __to locate externally defined symbols in programs, load them in to memory by placing their __ of symbols in calling program: a. Loader and name b. Linker and values c. Linker and name d. Loader and values
Last Answer : d. Loader and values
Description : function is used to transfer the control to end of a program which uses one argument( ) and takes value is zero for_ __ termination and non-zero for _termination: a. _ Exit( ) normal, abnormal b. Break, normal, abnormal Botha & b None of these
Last Answer : a. _ Exit( ) normal, abnormal
Description : ___uses various symbols to represent function within program and is __ _representation: a. Flowchart, pictorial b. Algorithm, pictorial c. Pictorial, flowchart d. None of these
Last Answer : a. Flowchart, pictorial
Description : In post-indexing the contents of the address field are used to access a memory location containing a___ address: Immediate addressing Direct addressing Register addressing ao | None of these
Last Answer : Direct addressing
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 : 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 : An instruction code must specify the address of the__. a. Opecode b. Operand c. Both d. None
Last Answer : b. Operand
Description : Which of the following registers is used to keep track of address of the memory location where the next instruction is located? A) Memory address register B) Memory data register C) Instruction register D) Program counter
Last Answer : Answer : D
Description : Which of the following registers is used to keep track of address of the memory location where the next instruction is located? a. Memory address register b. Memory data register c. Instruction register d. Program counter
Last Answer : Program counter
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
Last Answer : d. Program counter
Description : The processed data is sent for output to standard __ device which by default is computer screen: a. Input b. Output c. Botha &b d. None of these
Last Answer : b. Output
Description : Control memory is part of __ that has addressable storage registers and used as temporary storage for data. a. ROM b. RAM c. CPU d. Memory
Last Answer : b. RAM
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 : 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 : 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 : 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 : Which control refers to the track of the address of instructions. a. Data control b. Register control c. Program control d. None of these
Last Answer : c. Program control
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 : 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 : 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 : 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 : 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 : The length of instruction set depends on: a. Data size b. Memory size c. Both d. None
Last Answer : b. Memory size
Description : Which is data manipulation types are. a. Arithmetic instruction b. Shift instruction c. Logical and bit manipulation instructions d. All of these
Last Answer : d. All of these