What are ALU and CU?

What are ALU and CU?
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The CPU has two main parts:-The Control UnitIt is responsible to direct the system to execute instructions. It helps in communication between the memory and the arithmetic logic unit.-The Arithmetic and Logic Unit (ALU)The ALU is responsible for performing all logical and arithmetic operations like the comparison between numbers or adding numbers.
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It is responsible for all numerical and logical calculations. (a) CPU (b) CU (c) MU (d) ALU -Technology

Description : It is responsible for all numerical and logical calculations. (a) CPU (b) CU (c) MU (d) ALU -Technology

Last Answer : (d) ALU is a digital circuit in which numerical and logical operations are defined.

The actual execution of instructions happens in A) ALU B) CU C) Memory D) None of above

Description : The actual execution of instructions happens in A) ALU B) CU C) Memory D) None of above

Last Answer : Answer : A

Which is not consisted in a processor A) ALU B) CU C) Memory D) Registers

Description : Which is not consisted in a processor A) ALU B) CU C) Memory D) Registers

Last Answer : Answer : C

Which unit is known as nerve center of computer? A) ALU B) CU C) Memory D) Registers

Description : Which unit is known as nerve center of computer? A) ALU B) CU C) Memory D) Registers

Last Answer : Answer : A

Outputs of instruction/data path in CU are. a. Reg R/W b. Load/Reg-Reg c. ALU function select d. Load control e. Read control f. IR Latch g. JUMP/Branch/Next PC h_ = All of these

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Last Answer : h_ = All of these

Which of the following is correct: a) ALU - Arithmetic Logic Unit b) CU - Control Unit c) CPU - Central Processing Unit d) All of Above e) None of These

Description : Which of the following is correct: a) ALU - Arithmetic Logic Unit b) CU - Control Unit c) CPU - Central Processing Unit d) All of Above e) None of These

Last Answer : d) All of Above

An Arithmetic Logic Unit (ALU) normally contains a number of multiplexer circuits. How many of these might you expect to find in an ALU in a modern CPU chip, and what is their purpose?

Description : An Arithmetic Logic Unit (ALU) normally contains a number of multiplexer circuits. How many of these might you expect to find in an ALU in a modern CPU chip, and what is their purpose?

Last Answer : answer:FYI, We don’t do homework here. Hint: Realize that an ALU needs to be fed instructions (opcodes) and that they will need to be decoded. This question is also somewhat dated.

What is the full form of 'ALU' ? -How To ?

Description : What is the full form of 'ALU' ? -How To ?

Last Answer : The full form of 'ALU' is Arithmetic/Logic Unit

What is the full form of ALU ?

Description : What is the full form of ALU ?

Last Answer : The full form of ALU is Arithmetic Logic Unit.

What is Arithmetic Logic Unit ( ALU) ?

Description : What is Arithmetic Logic Unit ( ALU) ?

Last Answer : This part of the computer's CPU or microprocessor performs mathematical and logical tasks. Data from memory storage comes here and goes to memory storage again and again until it is fully processed. ... take the right step or reach a logical conclusion by checking the many conditions of processing.

What is the function of ALU ?

Description : What is the function of ALU ?

Last Answer : The work of ALU can be divided into 3 parts. Namely, mathematical work , logical work , and data transmission.

What is the full form of ALU ?

Last Answer : Arithmetic Logic Unit.

Which is an item of storage medium in the form of circular plate? A) Disk B) CPU C) Printer D) ALU

Description : Which is an item of storage medium in the form of circular plate? A) Disk B) CPU C) Printer D) ALU

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Which of the following are the two main components of the CPU? A) Control Unit and Registers B) Registers and Main Memory C) Control unit and ALU D) ALU and bus

Description : Which of the following are the two main components of the CPU? A) Control Unit and Registers B) Registers and Main Memory C) Control unit and ALU D) ALU and bus

Last Answer : Answer : C

The ALU of a computer normally contains a number of high speed storage element called A) Semiconductor memory B) Registers C) Hard disks D) Magnetic disk

Description : The ALU of a computer normally contains a number of high speed storage element called A) Semiconductor memory B) Registers C) Hard disks D) Magnetic disk

Last Answer : Answer : B

Which unit converts user data into machine readable form? A) Input unit B) Output unit C) ALU D) Control Unit

Description : Which unit converts user data into machine readable form? A) Input unit B) Output unit C) ALU D) Control Unit

Last Answer : Answer : A

ALU is A) Arithmetic Logic Unit B) Array Logic Unit C) Application Logic Unit D) None of above

Description : ALU is A) Arithmetic Logic Unit B) Array Logic Unit C) Application Logic Unit D) None of above

Last Answer : Answer : A

Which of the following is a secondary memory device? A) Keyboard B) Disk C) ALU D) All of the above

Description : Which of the following is a secondary memory device? A) Keyboard B) Disk C) ALU D) All of the above

Last Answer : Answer : B

Which part of the computer is used for calculating and comparing? A) Disk unit B) Control unit C) ALU D) Modem

Description : Which part of the computer is used for calculating and comparing? A) Disk unit B) Control unit C) ALU D) Modem

Last Answer : Answer : C

The full form of ALU is A) Arithmetic Logic Unit B) Array Logic Unit C) Application Logic Unit D) None of above

Description : The full form of ALU is A) Arithmetic Logic Unit B) Array Logic Unit C) Application Logic Unit D) None of above

Last Answer : Answer : A

Which unit converts computer data into human readable form? A) Input unit B) Output unit C) ALU D) Control Unit

Description : Which unit converts computer data into human readable form? A) Input unit B) Output unit C) ALU D) Control Unit

Last Answer : Answer : B

What are the three decisions making operations performed by the ALU of a computer? A) Grater than B) Less than C) Equal to D) All of the above

Description : What are the three decisions making operations performed by the ALU of a computer? A) Grater than B) Less than C) Equal to D) All of the above

Last Answer : Answer : D

A set of information that defines the status of resources allocated to a process is A) Process control B) ALU C) Register Unit D) Process description

Description : A set of information that defines the status of resources allocated to a process is A) Process control B) ALU C) Register Unit D) Process description

Last Answer : Answer : D

The ALU of a computer responds to the commands coming from A) Primary memory B) Control section C) External memory D) Cache memory

Description : The ALU of a computer responds to the commands coming from A) Primary memory B) Control section C) External memory D) Cache memory

Last Answer : Answer : B

The brain of any computer system is A) ALU B) Memory C) CPU D) Control unit

Description : The brain of any computer system is A) ALU B) Memory C) CPU D) Control unit

Last Answer : Answer : C

A micropocessor consists of: a) Arithmetic Logic Unit (ALU) b) Memories c) Input / Output devices d) All the above

Description : A micropocessor consists of: a) Arithmetic Logic Unit (ALU) b) Memories c) Input / Output devices d) All the above

Last Answer : Ans: A

Central Processing Unit (CPU) of a computer consists of: a) Control and arithmetic logic unit and primary storage b) Control, clock and ROM c) Control, clock and RAM d) Control, ALU, RAM and ROM

Description : Central Processing Unit (CPU) of a computer consists of: a) Control and arithmetic logic unit and primary storage b) Control, clock and ROM c) Control, clock and RAM d) Control, ALU, RAM and ROM

Last Answer : Ans: A

Number of bits in ALU is _________ a) 4 b) 8 c) 16 d) 2

Description : Number of bits in ALU is _________ a) 4 b) 8 c) 16 d) 2

Last Answer : Answer: c Explanation: Arithmetic and Logic Unit consists of 16bits. They perform certain Arithmetic and bitwise operations (add, subtract, AND, OR, XOR, Increment, decrement, shift)

The ALU gives the output of the operations and the output is stored in the ________ a) Memory Devices b) Registers c) Flags d) Output Unit

Description : The ALU gives the output of the operations and the output is stored in the ________ a) Memory Devices b) Registers c) Flags d) Output Unit

Last Answer : Answer: b Explanation: Any output generated by the ALU gets stored in the registers. The registers are the temporary memory locations within the processor that are connected by signal paths to the CPU

Label the parts 1 and 2: a) 1.ALU 2. MU b) 1.Output unit 2.Input Unit c) 1.MU 2. ALU d) 1.Input Unit 2.Output Unit

Description : Label the parts 1 and 2: a) 1.ALU 2. MU b) 1.Output unit 2.Input Unit c) 1.MU 2. ALU d) 1.Input Unit 2.Output Unit

Last Answer : Answer: d Explanation: The above diagram is a simple explanation which describes how the instruction is given to the CPU, how it is processed, and then how the result is obtained. So here ... to the user This set of Computer Fundamentals Interview Questions and Answers focuses on The Output Unit

The important unit of a microprocessor is – (1) ALU (2) array of registers (3) control unit (4) All of the above

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Last Answer : (4) All of the above Explanation: The basic units or blocks of a microprocessor are ALU, an array of registers and control unit. A minimal hypothetical microprocessor might only include an ... which indicate the results of the last operation (zero value, negative number, overflow or others).

The work done by a computer operator is displayed in which part of computer? A. CPU B. VDU C. ALU D. None of the Above

Description : The work done by a computer operator is displayed in which part of computer? A. CPU B. VDU C. ALU D. None of the Above

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ALU and Control Unit have special purpose locations called _______ (A) Registers (B) Mother Board (C) Sockets (D) None of the Above

Description : ALU and Control Unit have special purpose locations called _______ (A) Registers (B) Mother Board (C) Sockets (D) None of the Above

Last Answer : (A) Registers

How many ALU(s) is/are control by one control unit is SIMD (single instruction stream, multiple data stream) architecture? a) one or more ALUs b) One ALU c) Only two ALU d) Impossible to say

Description : How many ALU(s) is/are control by one control unit is SIMD (single instruction stream, multiple data stream) architecture? a) one or more ALUs b) One ALU c) Only two ALU d) Impossible to say

Last Answer : a) one or more ALUs

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 : 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

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Which is the most important component of a digit computer that interprets the instruction and processes the data contained in computer programs: MU b. ALU c. CPU d. PC

Description : Which is the most important component of a digit computer that interprets the instruction and processes the data contained in computer programs: MU b. ALU c. CPU d. PC

Last Answer : c. CPU

Which part work as a the brain of the computer and performs most of the calculation: a. MU b. PC c. ALU d. CPU

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

In memory transfer location address is supplied by that puts this on address bus. a. ALU b. CPU Cc. MAR d. MDR

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

In memory read the operation puts memory address on to a register known as : a. PC b. ALU ce. MAR d. — Allof these

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

In arithmetic operation numbers of register and the circuits for addition at a. ALU b. MAR c. Both d. None

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

The variable of __ correspond to hardware register: a. RAM b. RIL c. ALU d. MAR

Description : The variable of __ correspond to hardware register: a. RAM b. RIL c. ALU d. MAR

Last Answer : b. RIL

Which are internal operations inside CPU: a. Data transfer b/w registers b. Instructing ALU to operate data c. Regulation of other internal operations d. All of these

Description : Which are internal operations inside CPU: a. Data transfer b/w registers b. Instructing ALU to operate data c. Regulation of other internal operations d. All of these

Last Answer : d. All of these

__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

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

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

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

Abus organization for seven __ register: a. ALU b. RISC c. CPU d. MUX

Description : Abus organization for seven __ register: a. ALU b. RISC c. CPU d. MUX

Last Answer : c. CPU

How many bits of OPR select one of the operations in the ALU: a. 2 b 3 Cc. 4 dad 5

Description : How many bits of OPR select one of the operations in the ALU: a. 2 b 3 Cc. 4 dad 5

Last Answer : dad 5

five bits of OPR select one of the operation inthe __ in control register. a. CPU b. RISC ec ALU d. MUX

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

A stack in a digital computer isa partofthe_ ALU CPU a. b. c. Memory unit d None of these

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

Instruction formats contains the memory address of the a. Memory data b. Main memory Cc. CPU d. ALU

Description : Instruction formats contains the memory address of the a. Memory data b. Main memory Cc. CPU d. ALU

Last Answer : b. Main memory