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 : What is the purpose of microinstruction executions. a. Generate a control signal b. Generate a control signal to compile c. Generate a control signal to execute d. Allof these
Last Answer : c. Generate a control signal to execute
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 : Source statements consist of 5fields in microinstruction source code are: a. Lable b. Micro-ops c. CD-spec d. BR-spec e. Address f. All of these
Last Answer : f. All of these
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 micro program is an written in microcode and stored in firmware which is also referred as___ | a. Interpreter and control memory b. Translator and control store c. Translator and control memory d. ‘Interpreter and Translator
Last Answer : a. Interpreter and control memory
Description : program converts machine instructions into control signals. a. Control memory program b. Control store program c Botha&b d. Only memory
Last Answer : c Botha&b
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 : 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 program control the instruction is set for the statement in a: a. Parallel b. Sequence c. Both d. None
Last Answer : b. Sequence
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 : Addresses in control memory is made by for each register group: a. Address select logic b. Data select logic c. Control select logic d. All of these
Last Answer : a. Address select logic
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 register stack a stack can be a finite number of a Control word b. Memory word c Transfer word d. — Allof these
Last Answer : b. Memory word
Description : A module contains machine code with specification on_ _ a. Relative addresses b. Absolute addresses c. Object program d. None of these
Last Answer : a. Relative addresses
Description : For each micro operation the control unit generates set of_ signals. a. Control b. Address c. Data d. None of these
Last Answer : a. Control
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 : 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 : 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 : Call instruction is written inthe ss program. a. Main b. Procedures c. Program d. Memory
Last Answer : a. Main
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 length of instruction set depends on: a. Data size b. Memory size c. Both d. None
Last Answer : b. Memory size
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 : Which microprocessor has the control unit, memory unit and arithmetic and logic unit: a. Pentium IV processor b Pentium V processor c. Pentium III processor d. None of these
Last Answer : a. Pentium IV processor
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 : A computer having writable control memory is known as_ a. Static micro programmable b. Dynamic micro programmable c. Botha & b d. None of these
Last Answer : b. Dynamic micro programmable
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 : How many modes the address in control memory are divided. a 2 b 3 c. 5 d 7
Last Answer : a 2
Description : Mode of addresses in control memory are: a. Executive mode b. Task mode c. Botha&b d. None of these
Description : There are how many register groups in control memory: a 3 b 5 c. 6 d 8
Last Answer : b 5
Description : What type of circuit is used by control memory to interconnect registers. a. Data routing circuit b. Address routing circuit c. Control routing circuit d. None of the these
Last Answer : a. Data routing circuit
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 : In cache memory hit rate indicates. a. Data from requested address is not available b. Data from requested address is available c. Control from requested address is available d. Address from requested address is not available
Last Answer : b. Data from requested address is available
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 : 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 : 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 : 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 : 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 : 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 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 : 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 : The _stack can be 4-word memory addressed by 2 bits from an up/down counter known as the stack pointer: a. FIFO b. PIPO c. SISO d. LIFO
Last Answer : d. LIFO
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 : Which number is said to be normalized if the more significant position of the mantissa contains a non zero digit. a Binary point number b. Mantissa point number c Floating point number d. None of these
Last Answer : c Floating point number
Description : It contains the stack for PC storage during subroutine calls and input/output interrupt services: a. Seven- level hardware b. Eight- level hardware
Last Answer : b. Eight- level hardware
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 : emaphore provides mutual exclusion for accesses to the buffer pool and is initialized to the value: a. Mutex b. Mutual Cc. Memory d. __ Allof these
Last Answer : Mutex
Description : Which memory is assembled between main memory and CPU: a. Primary memory b. Cache memory Cc. Botha & b d. None of these
Last Answer : b. Cache memory
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