Description : In every transfer, selection of register by bus is decided by: a. Control signal b No signal c. All signal d. Allof above
Last Answer : a. Control signal
Description : Which interrupt services save all the register and flags. a. Save interrupt b. Input/output interrupt c. Service interrupt d. All of these
Last Answer : b. Input/output interrupt
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 : 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 : 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 : 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 : 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 : 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 : 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 : ___in all digital systems actually performs addition that can handle only two number at a time: a Register b. circuit c digital d. — Allof these
Last Answer : b. circuit
Description : Which language is termed as the symbolic depiction used for indicating the series: a. Random transfer language b. Register transfer language c. Arithmetic transfer language d. __ Allof these
Last Answer : b. Register transfer language
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 : Which micro operations carry information from one register to another. a. Register transfer b. Arithmetic c. Logical d. — Allof these
Last Answer : a. Register transfer
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 : 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 : Which language specifies a digital system which uses specified notation: a. Register transfer b. Arithmetic c. Logical d. — Allof these
Description : Which are the causes of the interrupt: a. In any single device b. In processor poll devices c. In a device whose ID number is stored on the address bus d. Allof these
Description : Which operations are used for addition, subtraction, increment, decrement and complement function: a. Bus b. Memory transfer c. Arithmetic operation d. Allof these
Description : The memory bus is also referred as _ a. Databus b. Address bus c. Memory bus d. — Allof these
Last Answer : a. Databus
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 : 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 : Which are the operation of versatility: a. exchange of information with the outside world via I/O device b. Transfer of data internally with in the central processing unit c. Performs of the basic arithmetic operations d. = Allof these
Last Answer : d. = Allof these
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 : 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 register holds the next instruction to be executed:
Last Answer : c. Program control register
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 which addressing the operand is actually present in instruction: a. Immediate addressing b. Direct addressing 9 Register addressing a None of these
Last Answer : a. Immediate addressing
Description : Which control transfer passes the function viacontrol_ a Logic b. Operation ce. Circuit d. __ Allof these
Last Answer : ce. Circuit
Description : Which are unconditional jumps used in program control are follows: a. Short jump b. Near jump c. Far jump d. Allof these
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 : 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 : 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 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 : How is selects the register that receives the information from the output bus. Decoder Encoder MUX
Last Answer : Decoder
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
Last Answer : a. Memory reference instruction
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 : MIMD stands for: a. Multiple input multiple data b. Memory input multiple data c. Multiple instruction multiple data d. Memory instruction multiple data
Last Answer : c. Multiple instruction multiple data
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 : 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 are the characteristics of deadlocks. a. Mutual exclusion b. Hold and wait Cc. No pre-emption d. = Circular wait e. Allof these
Description : The attributes of a file are. a. Name b. Identifier c. Types d. Location e. Size f. Protection g. Time, date and user identification h. Allof these
Last Answer : h. Allof these
Description : Which operations are to be performed on a directory are: a. Search for a file b. Create a file c. Delete a file d. List a directory e. Rename a file f. Traverse the file system g. Allof these
Description : Which are the system of arithmetic, which are often used in digital system: a. Binary digit b. Decimal digit c. Hexadecimal digit d. Octal digit e. Allof these
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 are the events concerning RAG can occur in a system: a. Request for a resource b. Allocation of a resource c. Release of resource d. Allof these
Description : Which are the method for handling deadlocks. a. Deadlock prevention b. Deadlock avoidance c. Deadlock detection d. Allof these
Description : Which system is used to refer amount of things. a. Number system b. Number words c. Number symbols d. — Allof these
Last Answer : a. Number system
Description : _are made with some part of body, usually the hands. a. Number words b. Number symbols c. Number gestures d. __ Allof these
Last Answer : c. Number gestures
Description : A binary number with 8 bits is called asa___ a. Bytes b. Bits c. Nibble d. __ Allof these
Last Answer : a. Bytes