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

1 Answer

Answer :

h_ = All of these

Related questions

Description : is dependent on instruction type in CU: a. Jump b. Branch c. NextPC d. All of these

Last Answer : d. All of these

Description : function select takes op code in IR translating to function of ALU and it may be compact binary code or one line per ALU: a ALU b CPU c. Memory d. Cache

Last Answer : a ALU

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 is the common program control instructions are. a Branch b. Jump c Call a subroutine d. Return e. Allof these f None of these

Last Answer : e. Allof these

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 : 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 : 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 are contains one or more register that may be referenced by machine instruction: a. Input b. Output c. CPU d. ALU

Last Answer : c. CPU

Description : five bits of OPR select one of the operation inthe __ in control register. a. CPU b. RISC ec ALU d. MUX

Last Answer : ec ALU

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 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 register that includes the address of the memory unit is termed asthe _ a. MAR b PC Cc. IR d. None of these

Last Answer : a. MAR

Description : In register transfer the processor register as. a MAR b PC c IR d RI

Last Answer : d RI

Description : Which are internal operations inside CPU: a. Data transfer b/w registers b. Instructing ALU to operate data c. Regulation of other internal operations d. All of these

Last Answer : d. All of these

Description : __is data paths there is movement of data from one register to another or b/w ALU and a register. a. External b. Boreal c. Internal d. Exchange

Last Answer : c. Internal

Description : Which functions are performed by CU: a. Data exchange b/w CPU and memory or I/O modules b. External operations c. Internal operations inside CPU d Botha&c

Last Answer : d Botha&c

Description : Which part work as a the brain of the computer and performs most of the calculation: a. MU b. PC c. ALU d. CPU

Last Answer : d. CPU

Description : Which register holds the item that is to be written into the stack or read out of the stack: a. SR b. IR Cc. RR d DR

Last Answer : d DR

Description : In register stack the top item is read from the stack into: a. SR b. IR Cc. RR d. DR

Last Answer : d. DR

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 : The ___________ contains the address of the next instruction to be executed. a) IR b) PC c) Accumulator d) System counter

Last Answer : Answer: b Explanation: PC stands for program counter (It contains the address of the next instruction to be executed)

Description : How many bits of OPR select one of the operations in the ALU: a. 2 b 3 Cc. 4 dad 5

Last Answer : dad 5

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 : Full form of PLA in CU: a. Progrmmable Logic Array b. Programs Load Array c. Programmable Logic Accumulator d. all of these

Last Answer : a. Progrmmable Logic Array

Description : Ininstruction formats the information required by the _ for execution: a. ALU b. CPU Cc. RISC d. DATA

Last Answer : b. CPU

Description : is just like a circular array: a. Data b. Register c. ALU d. CPU

Last Answer : b. 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 : 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 register holds the next instruction to be executed:

Last Answer : c. Program control register

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 : How many paths taken by movement of data in CU: a. 3 b 64 c. 5 d 2

Last Answer : d 2

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 : Branch logic determines which should be adopted to select the next_ value among possibilities. a. CAR b. GAR c. HAR d. TAR

Last Answer : a. CAR

Description : Which are unconditional jumps used in program control are follows: a. Short jump b. Near jump c. Far jump d. Allof these

Last Answer : d. Allof these

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 : IR stands for. a. Input representation b. Intermediate representation c. Both d. None

Last Answer : b. Intermediate representation

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 unit is necessary for the execution of instruction: a. Timing b. Control ce. Both d. None of these

Last Answer : ce. 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 : 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 : 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 : 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 : 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 : 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 : 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 : 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 : 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