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
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 : d. All of the above
Description : What are operations performed on data in 8085
Last Answer : The various operations performed are • Store 8-bit data • Perform arithmetic and logical operations • Test for conditions • Sequence the execution of instructions • Store data temporarily during execution in the defined R/W memory locations called the stack
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 : 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 : 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 : A computer which has the microprocessor as______ is called as a microcomputer: a. CPU b. ALU c. RU
Last Answer : a. CPU
Description : Which part of the computer is used for calculating and comparing? a. Disk unit b. Control unit c. ALU d. Modem
Last Answer : c. ALU
Description : The brain of any computer system is a. ALU b. Memory c. CPU d. Control unit
Last Answer : c. CPU
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 : b. Registers
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 : b. Control section
Description : The register section is related to______ of the computer: a. Processing b. ALU c. Main memory d. None of these
Last Answer : c. Main memory
Description : Who is the brain of computer: a. ALU b. CPU c. MU d. None of these
Last Answer : b. CPU
Description : Which process information at a much faster rate than it can retrieve it from memory: a. ALU b. Processor c. Microprocessor d. CPU
Last Answer : d. CPU
Description : PC’s use____ based on this architecture: a. CPU b. ALU c. MU
Description : Microprocessor is fabricated on single chip using: a. MOS b. ALU c. CPU d. All of these
Last Answer : a. MOS
Description : The ALU and control unit of most of the microcomputers are combined and manufacture on a single silicon chip. What is it called? a. monochip b. microprocessor c. ALU d. control unit
Last Answer : b. microprocessor
Description : Processors of all computers, whether micro, mini or mainframe must have a. ALU b. Primary Storage c. Control unit d. All of above
Last Answer : b. Primary Storage
Description : Which of the following is a secondary memory device? a. Keyboard b. Disk c. ALU d. All of the above
Last Answer : b. Disk
Description : Which is an item of storage medium in the form of circular plate? a. Disk b. CPU c. Printer d. ALU
Last Answer : a. Disk
Description : Interface electronic circuit is used to interconnect I/O devices to a computer’s CPU or a. ALU b. Memory c. Buffer d. Register
Last Answer : b. Memory
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 : d. Process description
Description : A directly accessible appointment calendar is feature of a … resident package a. CPU b. Memory c. Buffer d. ALU
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 : c. Control Unit and ALU
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 ____ place the data from a register onto the data bus: a. CPU b. ALU c. Both A and B d. None of these
Description : Which is the microprocessor comprises: a. Register section b. One or more ALU c. Control unit d. All of these
Last Answer : d. All of these
Description : Which technology using the microprocessor is fabricated on a single chip: a. POS b. MOS c. ALU d. ABM
Last Answer : b. MOS
Description : Why 8085 processor is called an 8 bit processor? a) Because 8085 processor has 8 bit ALU. b) Because 8085 processor has 8 bit data bus. c) a & b.
Last Answer : a) Because 8085 processor has 8 bit ALU.
Description : Which operation is not performed by computer a. Inputting b. Processing c. Controlling d. Understanding
Last Answer : d. Understanding
Description : Total internal reflection takes place if the light ray strikes the interface at an angle with what relationship to the critical angle? a. Less than b. Grater than c. Equal to d. Zero
Last Answer : b. Grater than
Description : Total internal reflection takes place if the light ray strikes the interface at an angle with what relationship to the critical angle? ∙ a. Less than ∙ b. Grater than ∙ c. Equal to ∙ d. Zer
Last Answer : ∙ b. Grater than
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 : Which one of the following statements BEST characterises marketing research? A)research is a continuous process, providing a constant flow of information B)research is conducted on a special- ... when routine information is required D)research is the basis for making recurring marketing decisions
Last Answer : B)research is conducted on a special-project basis
Description : Which one of the following statements is correct? (A) The function of an information system is to improve one s ability to make decisions (B) The information system is the chain of operations ... , analysed data, its stored information is suitability used in making decisions (D) All the above
Last Answer : Answer: Option D
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 : The primary advantage of key-to-tape data entry system is a. A large percentage of editing can be performed at the time of data entry b. Key verification is easily performed c. The tape is reusable
Last Answer : c. The tape is reusable
Description : Reading data is performed in magnetic disk by a. Read/write leads b. Sectors c. Track d. Lower surface
Last Answer : a. Read/write leads
Description : How many operations are there in the instruction set of 8085 microprocessor?
Last Answer : There are 74 operations in the 8085 microprocessor.
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 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 : Which of the following memories allows simultaneous read and write operations? a. ROM b. RAM c. EPROM d. None of above
Last Answer : b. RAM
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 : 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 : Which of the following is of bit operations? i) SP ii) P2 iii) TMOD iv) SBUF v) IP a) ii, v only b) ii, iv, v only c) i, v only d) iii, ii only
Last Answer : c) i, v only
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 : The conditional branch instruction JNS performs the operations when if __ a) ZF =0 b) SF=0 c) PF=0 d) CF=0
Last Answer : b) SF=0
Last Answer : a) ii, v only