Description : The secondary storage devices can only store data but they cannot perform a. Arithmetic Operation b. Logic operation c. Fetch operations d. Either of the above
Last Answer : d. Either of the above
Description : What is the control unit's function in the CPU? a. To transfer data to primary storage b. to store program instruction c. to perform logic operations d. to decode program instruction
Last Answer : b. to store program instruction
Description : The central processing unit (CPU) consists of a. Input, output and processing b. Control unit, primary storage, and secondary storage c. Control unit, arithmetic-logic unit and primary storage d. Control unit, processing, and primary storage
Last Answer : c. Control unit, arithmetic-logic unit and primary storage
Description : The secondary storage devices can only store data but they cannot perform A) Arithmetic Operation B) Logic operation C) Fetch operations D) Either of the above
Last Answer : Answer : D
Last Answer : Either of the above
Description : Actual data processing operations are performed in the arithmetic logic section, but not in the …. Storage section of a processor unit a. Primary b. Accumulator c. Buffer d. Secondary
Last Answer : a. Primary
Description : What is the control unit's function in the CPU 1) To transfer data to primary storage . 2) TO store program instructions. 3) To perform logic functions. 4) To decode program instructions.
Last Answer : 2) choose Insert, Header and Footer, click Slide tab, select the desired options, click Apply to All
Description : Pick the one that is used for logical operations or comparisons such as less than equal to or greater than. a. Arithmetic and Logic Unit b. Control Unit c. Both of above
Last Answer : a. Arithmetic and Logic Unit
Description : The brain of any computer system is a. Control Unit b. Arithmetic Logic Unit c. Central Processing Unit d. Storage Unit
Last Answer : c. Central Processing Unit
Description : Central Processing Unit is combination of a. Control and storage b. Control and output unit c. Arithmetic logic and input unit d. Arithmetic logic and control unit
Last Answer : d. Arithmetic logic and control unit
Description : ALU is a. Arithmetic Logic Unit b. Array Logic Unit c. Application Logic Unit d. None of above
Last Answer : a. Arithmetic Logic Unit
Description : The first machine to successfully perform a long series of arithmetic and logical operations was: a. ENIAC b. Mark-I c. Analytic Engine d. UNIVAC-1
Last Answer : b. Mark-I
Description : The first machine to successfully perform a long series of arithmetic and logical operations was; a. ENIAC b. Mark I c. Analytic engine d. UNIVAC-I
Last Answer : b. Mark I
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 : Which bus transfer singles from the CPU to external device and others that carry singles from external device to the CPU: a. Control bus b. Data bus c. Address bus d. None of these
Last Answer : a. Control bus
Description : In 8086 microprocessor one of the following instructions is executed before an arithmetic operation a) AAM b) AAD c) DAS d) DAA
Last Answer : b) AAD
Description : In 8086 the overflow flag is set when a) The sum is more than 16 bits b) Signed numbers go out of their range after an arithmetic operation c) Carry and sign flags are set
Last Answer : b) Signed numbers go out of their range after an arithmetic operation
Description : Arithmetic and Logic Unit I. Perform Arithmetic operations II. Store Data III. Perform comparisons IV. Communicate with input devices Which of the following is true ? (1) I only (2) III only (3) I and II (4) I and III
Last Answer : I and III
Description : Who is the represents the fundamental process in the operation of the CPU: a. The fetch-execute cycle and pipelining b. The assembly c. Both A and B d. None of these
Last Answer : a. The fetch-execute cycle and pipelining
Description : The use of spooler programs and/or …. Hardware allows personal computer operators to do the processing work at the same time a printing operation is in progress a. Registered mails b. Memory c. CPU d. Buffer
Last Answer : d. Buffer
Description : The CPU removes the ___ signal to complete the memory write operation: a. Read b. Write c. Both A and B d. None of these
Last Answer : a. Read
Description : Arithmetic instruction are used to perform operation on: a. Numerical data b. Non-numerical data c. Both d. None
Last Answer : a. Numerical data
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.
Description : The central processing unit (CPU) consists of A) Input, output and processing B) Control unit, primary storage, and secondary storage C) Control unit, arithmetic-logic unit and primary storage D) Control unit, processing, and primary storage
Last Answer : Answer : C
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
Last Answer : Control unit, arithmetic-logic unit and primary storage
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
Description : Which part of the Central Processing Unit (CPU) performs calculation and makes decisions: (A) Arithmetic Logic Unit (B) Alternating Logic Unit (C) Alternate Local Unit (D) American Logic Unit
Last Answer : (A) Arithmetic Logic Unit
Description : _____ is the part of the Central Processing Unit (CPU). (1) Monitor (2) Arithmetic and Logic Unit (3) Keyboard (4) Printer
Last Answer : Arithmetic and Logic Unit
Description : A microporgram is sequencer perform the operation a. read b. write c. execute d. read and write e. read and execute
Last Answer : e. read and execute
Description : The necessary steps carried out to perform the operation of accessing either memory or I/O Device, constitute a ___________________ a) fetch operation b) execute operation c) machine cycle
Last Answer : c) machine cycle
Description : The branch logic that provides decision making capabilities in the control unit is known as a. controlled transfer b. conditional transfer c. unconditional transfer d. none of above
Last Answer : c. unconditional transfer
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 : 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 operation is extremely useful in serial transfer of data: a. Logical micro operation b. Arithmetic micro operation c. Shift micro operation d. None of these
Last Answer : c. Shift micro operation
Description : Where does a computer add and compare data? a. Hard disk b. Floppy disk c. CPU chip d. Memory chip
Last Answer : c. CPU chip
Description : The ________ ensures that only one IC is active at a time to avoid a bus conflict caused by two ICs writing different data to the same bus.A.control busB.control instructionsC. address decoder D.CPU
Last Answer : C. address decoder
Description : Which computer memory is used for storing programs and data currently being processed by the CPU? a. Mass memory b. Internal memory c. Non-volatile memory d. PROM
Last Answer : b. Internal memory
Description : . An online backing storage system capable of storing larger quantities of data is a. CPU b. Memory c. Mass storage d. Secondary storage
Last Answer : c. Mass storage
Description : An error in computer data is called a. Chip b. Bug c. CPU d. Storage device
Last Answer : b. Bug
Description : The ____ place the data from a register onto the data bus: a. CPU b. ALU c. Both A and B d. None of these
Last Answer : a. CPU
Description : The CPU sends out a ____ signal to indicate that valid data is available on the data bus: a. Read b. Write c. Both A and B
Last Answer : b. Write
Description : The lower red curvy arrow show that CPU places the address extracted from the memory location on the_____: a. Address bus b. System bus c. Control bus d. Data bus
Last Answer : a. Address bus
Description : The information on the data bus is transferred to the ______register: a. MOC b. MDR c. VAM d. CPU
Last Answer : b. MDR
Description : The upper red arrow show that CPU sends out the control signals____ and _____ indicate the data is read from the memory: a. Memory request b. Read c. Both A and B d. None of these
Last Answer : c. Both A and B
Description : CPU can read & write data by using : a. Control bus b. Data bus c. Address bus d. None of these
Last Answer : b. Data bus
Description : Write a program which perform arithmetic operation using pointer.
Last Answer : #include<iostream.h> #include<conio.h> void main() { int num[5]={56,75,22,18,90}; int ptr; int i; cout<< array elements are:: ; for(i=0;i<5;i++) ptr=num; cout<< ... 3; cout<< value of ptr+=3:: <<*ptr; cout<< \n ; getch(); }