Description : Sequence of microinstructions is termed as micro program or a. Hardware b. Software c. Firmware d. None of these
Last Answer : c. Firmware
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 : 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 : 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 : ___uses the stack to store return address of subroutine: a. CPU b. Microprocessor c. register d. memory
Last Answer : b. Microprocessor
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 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 : Abus organization for seven __ register: a. ALU b. RISC c. CPU d. MUX
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 are contains one or more register that may be referenced by machine instruction: a. Input b. Output c. CPU d. ALU
Description : is just like a circular array: a. Data b. Register c. ALU d. CPU
Last Answer : b. Register
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 : 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 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 : 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 : 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 : 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 : Ininstruction formats the information required by the _ for execution: a. ALU b. CPU Cc. RISC d. DATA
Last Answer : b. CPU
Description : High level language C supports register transfer technique for _ application. a. Executing b. Compiling c. Both d. None
Last Answer : a. Executing
Description : Register are assumed to use positive-edge-triggered _ a. Flip-flop b. Logics Cc. Circuit d. Operation
Last Answer : a. Flip-flop
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 : In register stack a stack can be organized bya____——_—s number of register. a. Infinite number b. Finite number c. Both d. None
Last Answer : b. Finite number
Description : IBM-360 type language is example which supporting _—___—sJanguage. a. Micro b. Macro c. Botha &b d. None of these
Last Answer : b. Macro
Description : Compared to hardware, firmware is _ __to design micro programmed organization: a. Difficult b. Easier c. Both a& b d. None of these
Last Answer : b. Easier
Description : ________ is a register for Short-term, intermediate storage of arithmetic and logic data in a Computer’s CPU. A. Accumulator B. Bus C. Buffer D. None of the Above
Last Answer : A. Accumulator
Description : A group of bits that tell the computer to perform a specific operation is known as_______ A. Instruction code B. Micro-operation C. Accumulator D. Register
Last Answer : A. Instruction code
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
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
Description : In memory transfer location address is supplied by that puts this on address bus. a. ALU b. CPU Cc. MAR d. MDR
Description : Cache memory is located between main memory and : a. CPU b. Memory c. Botha &b d. None of these
Last Answer : a. CPU
Description : The extent nesting in subroutine is limited only by: a. Number of available Stack locations b. Number of available Addressing locations c. Number of available CPU locations d. Number of available Memory locations
Last Answer : a. Number of available Stack locations
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 : Which memory is used to copy instructions or data currently used by CPU: a. Main memory b. Secondary memory c. Cache memory d. None of these
Last Answer : c. Cache memory
Description : What are 2 advantages of cache memory: a. Reduction of average access time for CPU memory b. Reduction of bandwidth of available memory of CPU c. Botha&b d. None of these
Last Answer : c. Botha&b
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 : ___is the data paths link CPU registers with memory or I/O modules. a. External data paths b. Internal data paths c. Boreal data paths d. Exchange data paths
Last Answer : a. External data paths
Description : A stack in a digital computer isa partofthe_ ALU CPU a. b. c. Memory unit d None of these
Last Answer : c. Memory unit
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 : 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 : 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 : 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 puts memory address in memory address register and data in DR. a Memory read b. Memory write c Both d. None
Last Answer : b. Memory write
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 : 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 : 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 : There are how many register groups in control memory: a 3 b 5 c. 6 d 8
Last Answer : b 5
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 : 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