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 : 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 : In stack organization address register is known as the: a. Memory stack b. Stack pointer c. Push operation d. Pop operation
Last Answer : b. Stack pointer
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 types of register holds a single vector containing at least two read ports and one write ports: a. Data system b. Data base Cc. Memory d. Vector register
Last Answer : d. Vector register
Description : In memory transfer location address is supplied by that puts this on address bus. a. ALU b. CPU Cc. MAR d. MDR
Last Answer : b. CPU
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 : 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 : 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 : 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 : ___uses the stack to store return address of subroutine: a. CPU b. Microprocessor c. register d. memory
Last Answer : b. Microprocessor
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 : Arithmetic operation are carried by such micro operation on stored numeric data available in a. Register b. Data c. Both d. None
Last Answer : a. Register
Description : Which are the operation that a computer performs on data that put in register: a. Register transfer b. Arithmetic c. Logical d. Allof these
Last Answer : d. Allof these
Description : The stack pointer is maintained in a : a. Data b. Register c. Address d. None of these
Last Answer : b. Register
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 : 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 : Parallel computing means doing several takes simultaneously thus improving the performance of the a. Data system b. Computer system Cc. Memory d. Vector register
Last Answer : b. Computer system
Description : In arithmetic operation numbers of register and the circuits for addition at a. ALU b. MAR c. Both d. None
Last Answer : a. ALU
Description : Which operation are binary type, and are performed on bits string that is placed in register: a. Logical micro operation b. Arithmetic micro operation c. Both d. None
Last Answer : a. Logical micro operation
Description : A micro operation every bit of a register is a: a. Constant b. Variable c. Both d. None
Last Answer : b. Variable
Description : In register stack items are removed from the stack by using the operation: a. Push b. Pop c. Both d. None
Last Answer : b. Pop
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 source/destination of operands can be the_ or one of the general-purpose register: a. Memory b. One c. both d. None of these
Last Answer : a. Memory
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 : Register are assumed to use positive-edge-triggered _ a. Flip-flop b. Logics Cc. Circuit d. Operation
Last Answer : a. Flip-flop
Description : Which operation refer bitwise manipulation of contents of register: a. Logical micro operation b. Arithmetic micro operation c. Shift micro operation d. None of these
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 : 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 : Which are benefit of input/output interrupt: a. It is an external analogy to exceptions b. The processor initiates and perform all I/O operation c. The data is transferred into the memory through interrupt handler d. = Alllof these
Last Answer : d. = Alllof these
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 : In cache memory miss rate indicates. a. Availability of requested data b. Availability of requested address c. Non-Availability of requested data d. Non-Availability of requested address
Last Answer : c. Non-Availability of requested data
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 which transfer the computer register are indicated in capital letters for depicting its function. a. Memory transfer b. Register transfer c. Bus transfer d. None of these
Last Answer : b. Register transfer
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 function of these microinstructions is to issue the micro orders to_ _ a. CPU b. Memory c. Register d. Accumulator
Last Answer : a. CPU
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 : There are how many register groups in control memory: a 3 b 5 c. 6 d 8
Last Answer : b 5
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 : In which addressing the simplest addressing mode where an operand is fetched from memory is a. Immediate addressing b. Direct addressing c. Register addressing d. None of these
Last Answer : b. Direct addressing
Description : In which mode the main memory location holds the EA of the operand: a. Immediate addressing b. Direct addressing c. Register addressing d. Indirect addressing
Last Answer : d. Indirect addressing
Description : Which is addressed by sign extending the 16-bit displacement to 32-bit: a. Memory address b. Effective memory address c. Both a and b d. None of these
Last Answer : b. Effective memory address
Description : Memory —mapped ___is used this is just another memory address. a. Input b. Output c. Both d. None
Last Answer : c. Both
Description : In register transfer which system is a sequential logic system in which flip-flops and gates are constructed: a. Digital system b. Register Cc. Data d. None
Last Answer : a. Digital system
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 : is just like a circular array: a. Data b. Register c. ALU d. CPU
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