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 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 : 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 : 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 : 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 : 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 : Which unit acts as the brain of the computer which control other peripherals and interfaces: a. Memory unit b. Cache unit c. Timing and control unit d. None of these
Last Answer : c. Timing and control unit
Description : Which unit works as an interface between the processor and all the memories on chip or off- chip: a. Timing unit b. Control unit c. Memory control unit d All of these
Last Answer : c. Memory control unit
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 : 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 : 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 : Which control transfer passes the function viacontrol_ a Logic b. Operation ce. Circuit d. __ Allof these
Last Answer : ce. Circuit
Description : Complement the subtrahend by converting all annddall a. 1’s to 0’s b. 0’s to 1’s ce. Both d. None of these
Description : The number of bit required to express and ___ are determined by the accuracy desired from the computing system . a. Exponent b. Mantissa ce. Both d. None f these
Description : Which operation are done by increment or decrement the stack pointer: a. Push b. Pop ce. Both d. None
Description : Which is a type of microprocessor that is designed with limited number of instructions: a. CISC b. RISC ce. Both d. None
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 : 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 : Copy of data in cache memory is called. a. Datacache b. Execution cache c. Address cache d. Control cache
Last Answer : a. Datacache
Description : Abinary number with 4 bitsiscalleda_ a. Bit b. Bytes ce. Nibble d. None of these
Last Answer : ce. Nibble
Description : How many main sign number binary codes are used: a. 4 b 65 ce. 3 d. 6
Last Answer : ce. 3
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 : isa__ expression which will have value true or false. a. Relational b. Logical ce. Botha&b d. None of these
Last Answer : ce. Botha&b
Description : By defining the _ __ register as last in first out stack the sequence can handle nested subroutines: a. S b. J ce. R d. T
Last Answer : ce. R
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 : 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 : 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 : 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 : 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 : 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 : 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 : Each instruction is also accompanied by a___ : a. Microprocessor b. Microcode c. Both d. None of these
Last Answer : b. Microcode
Description : In instruction formats instruction is represent by a___ _ of bits: a. Sequence b. Parallel c. Both d. None
Last Answer : a. Sequence
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 : 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 : A is written as separate unit, apart from main and called whenever necessary: a. Subroutine b. Code c. Block d. None of these
Last Answer : a. Subroutine