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
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 : Either of the above
Last Answer : d. 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? 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 : 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 : CPU does not perform the operation a. data transfer b. logic operation c. arithmetic operation d. all of above
Last Answer : b. logic operation
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 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 : 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 : Primary
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 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 : 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 : To locate a data item for storage is a. Field b. Feed c. Database d. Fetch
Last Answer : d. Fetch
Description : The main function of the ALU is: a) Store Data and Information for Future Use b) Perform arithmetic and logical operations c) Control Computer Output, such as Printing d) None of These
Last Answer : b) Perform arithmetic and logical operations
Description : The main function of the ALU is to a) perform arithmetic and logical operations b) store data and information for future use c) control computer output, such as printing d) monitor all computer activities e) None of these
Last Answer : a) perform arithmetic and logical operations
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 : 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 : In the 8085A Microprocessor, arithmetic and logical operations are performed through which of the following? A) Stack B) ALU C) I/O D) Register
Last Answer : In the 8085A Microprocessor, arithmetic and logical operations are performed through which of the following? A) Stack B) ALU C) I/O D) Register
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
Last Answer : Control unit, arithmetic-logic unit and primary storage
Description : The basic operations performed by a computer are A) Arithmetic operation B) Logical operation C) Storage and relative D) All the above
Description : The basic operations performed by a computers are- 1) Arithmetic Operation 2) Logical Opertaion 3) Storage and Relative 4) All the above
Last Answer : 4) All the above
Description : The basic operations performed by a computers are 1 Arithmetic Operation 2 Logical Opertaion 3 Storage and Relative 4 All the above
Last Answer : 4 All the above
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 : 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 : The proper definition of a modern digital computer is a. An electronic automated machine that can solve problems involving words and numbers b. A more sophistic and modified electronic pocket calculator c. Any machine that can perform mathematical operations d. A machine that works on binary code
Last Answer : d. A machine that works on binary code
Description : IDIV and DIV instructions perform the same operations for? a) Unsigned number b) Signed number c) Signed number & Unsigned number d) none of above.
Last Answer : b) Signed number
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 : 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 : 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 : ________ 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 : Steps involved to fetch a byte in 8085
Last Answer : i. The PC places the 16-bit memory address on the address bus ii. The control unit sends the control signal RD to enable the memory chip iii. The byte from ... byte is placed in the instruction decoder of the microprocessor and the task is carried out according to the instruction
Description : The fetch-execute cycle is to use a system know as: a. Assembly line b. Pipelining c. Cache d. None of these
Last Answer : b. Pipelining
Description : How can we make computers work faster? a. The fetch-execute cycle and pipelining b. The assembly c. Both A and B d. None of these
Description : Pipeline implement a. fetch instruction b. decode instruction c. fetch operand d. calculate operand e. execute instruction f. all of abve
Last Answer : f. all of abve
Description : The act of acquiring an instruction is referred as the____ the instruction: a. Fetching b. Fetch cycle c. Both a and b d. None of these
Last Answer : a. Fetching
Description : In 8085 microprocessor, how many T-states does OPCODE FETCH machine cycle normally require (i.e., when HOLD and WAIT signals are NOT forced)? A) 4 to 6 B) 3 to 8 C) 2 to 3 D) 8 to 12
Last Answer : In 8085 microprocessor, how many T-states does OPCODE FETCH machine cycle normally require (i.e., when HOLD and WAIT signals are NOT forced)? A) 4 to 6 B) 3 to 8 C) 2 to 3 D) 8 to 12
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 : A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is a. Memory b. Buffer c. Accumulator d. Address
Last Answer : b. Buffer
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 D) None of above
Last Answer : Answer : A
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 d. None of above
Last Answer : Arithmetic and Logic Unit
Description : 8085 microprocessor has ________ individual flags during arithmetic and logic operations.
Last Answer : 8085 microprocessor has 5 individual flags during arithmetic and logic operations.
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 : Answer : B