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 : 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 : 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 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 : Cache memory is located between main memory and : a. CPU b. Memory c. Botha &b d. None of these
Last Answer : a. CPU
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 : 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 : 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 : On what method search in cache memory used by the system. a. Cache directing b. Cache mapping c. Cache controlling d. Cache invalidation
Last Answer : b. Cache mapping
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 : Updating writes to cache data andalsoto___ a. Directories b. Memory c. Registers d. Folders
Last Answer : a. Directories
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 : The ‘brain’ of a computer which keeps peripherals under its control is called: (A) Common Power Unit (B) Common Processing Unit (C) Central Power Unit (D) Central Processing Unit
Last Answer : (D) Central Processing 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 : When cache process starts hit and miss rate defines in cache directory: a. during search reads b. during search writes c. during replace writes d. during finding writes
Last Answer : a. during search reads
Description : Which 3 areas are used by cache process: a. Search, updating, invalidation b. Write, updating, invalidation c. Search, read, updating d. —_Invalidation, updating, requesting
Last Answer : a. Search, updating, invalidation
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 : 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 : Transformation of input into output is performed by? 1) Peripherals 2) Memory 3) Storage 4) The Input-Output unit 5) The CPU
Last Answer : Answer :5
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 : 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 : 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 : 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 : The control memory contains a set of words where each word is: a. Microinstruction b. Program c. Sets d. All of these
Last Answer : a. Microinstruction
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 : 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 : 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 : 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 : 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 : sof information in a human brain and a computer happens differently. a. Intelligence b. Storage c. Versatility d. Diligence
Last Answer : b. Storage
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 : Cache memory acts between (1) CPU and RAM (2) CPU and ROM (3) RAM and ROM (4) CPU and Hard disk
Last Answer : CPU and RAM
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 unit is comparable to the central nervous system in the human body: a. Output unit b. Control unit c. Input unit d. All of these
Last Answer : b. Control unit
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 : 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 : 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 : 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 control unit is implemented as combinational circuit in the hardware. a. Microprogrammed control unit b. Hardwired control unit c Blockprogrammed control unit d. Macroprogrammed control unit
Last Answer : b. Hardwired 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 3 state gate third position termed as high impedance state which acts as. a. Open circuit b. — Close circuit c. None of these d. All of above
Last Answer : a. Open circuit
Description : of the primary memory of the computer is limited. a. Storage capacity b. Magnetic disk c. Both d. None of these
Last Answer : a. Storage capacity
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 : 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