Description : What is the acceleration produced by some force pushing or pulling on something?
Last Answer : Need answer
Description : Transpiration and root pressure cause water to rise in plants by (a) pushing it upward (b) pushing and pulling it, respectively (c) pulling it upward (d) pulling and pushing it, respectively.
Last Answer : (d) pulling and pushing it, respectively.
Description : The process of a computer receiving information form a server on the Internet is known as a) Pulling b) Pushing c) Downloading d) Transfering e) None of these
Last Answer : c) Downloading
Description : When the RET instruction at the end of subroutine is executed, a. the information where the stack is iniatialized is transferred to the stack pointer b. the memory address of the RET instruction is ... two data bytes stored in the top two locations of the stack are transferred to the stack pointer
Last Answer : c. two data bytes stored in the top two locations of the stack are transferred to the program counter
Description : Which is used to store critical pieces of data during subroutines and interrupts: a. Stack b. Queue c. Accumulator d. Data register
Last Answer : a. Stack
Description : The seven elements A, B, C, D, E, F and G are pushed onto a stack in reverse order, i.e., starting from G. The stack is popped five times and each element is inserted into a queue. Two elements are deleted from the queue and pushed ... The popped item is ................... (1) A (2) B (3) F (4) G
Last Answer : Answer: 2
Description : When a subroutine is called, the address of the instruction following the CALL instructions stored in/on the a. stack pointer b. accumulator c. program counter d. stack
Last Answer : d. stack
Description : Define stack and explain stack related instructions
Last Answer : The stack is a group of memory locations in the R/W memory thatis used for the temporary storage of binary information during the execution of the program. The stack related instructions are PUSH & POP
Description : In immediate addressing the operand is placed a. in the CPU register b. after OP code in the instruction c. in memory d. in stack
Last Answer : b. after OP code in the instruction
Description : A stack pointer is a. a 16-bit register in the microprocessor that indicate the beginning of the stack memory. b. a register that decodes and executes 16-bit arithmetic expression. c. The first memory location where a subroutine address is stored. d. a register in which flag bits are stored
Last Answer : a. a 16-bit register in the microprocessor that indicate the beginning of the stack memory.
Description : A stack is a. an 8-bit register in the microprocessor b. a 16-bit register in the microprocessor c. a set of memory locations in R/WM reserved for storing information temporarily during the execution of computer
Last Answer : c. a set of memory locations in R/WM reserved for storing information temporarily during the execution of computer
Description : The structure of the stack is _______ type structure: a. First in last out b. Last in last out c. Both a & b d. None of these
Last Answer : a. First in last out
Description : SP stand for: a. Stack pointer b. Stack pop c. Stack push d. None of these
Last Answer : a. Stack pointer
Description : Which is the basic stack operation: a. PUSH b. POP c. BOTH A and B d. None of these
Last Answer : c. BOTH A and B
Description : Stack words on: a. LILO b. LIFO c. FIFO d. None of these
Last Answer : b. LIFO
Description : Which point to the ___ of the stack: a. TOP b. START c. MID
Last Answer : a. TOP
Description : The processor uses the stack to keep track of where the items are stored on it this by using the: a. Stack pointer register b. Queue pointer register c. Both a & b d. None of these
Last Answer : a. Stack pointer register
Description : The subprogram finish the return instruction recovers the return address from the: a. Queue b. Stack c. Program counter d. Pointer
Last Answer : b. Stack
Description : SP stands for: a. Status pointer b. Stack pointer c. a and b d. None of these
Last Answer : b. Stack pointer
Description : In 8087, _______ many register stack are there? And of _____ registers. These registers are used as _________ stack. a) 7, 40 bit, FIFO. b) 8, 60 bit, LILO. c) 8, 80 bit, LIFO d) 7, 80 bit, FILO.
Last Answer : b) 8, 60 bit, LILO.
Description : What is the output of the following code PUSH AL a) Decrement SP by 2 & push a word to stack b) Increment SP by 2 & push a word to stack c) Decrement SP by 2 & push a AL to stack d) Illegal
Last Answer : b) Increment SP by 2 & push a word to stack
Description : Can ROM be used as stack? a) Yes b) No c) sometimes yes, sometimes no
Last Answer : b) No
Description : Which stack is used in 8085? a) FIFO b) LIFO c) FILO
Last Answer : b) LIFO
Description : In 8085 name the 16 bit registers? a) Stack pointer b) Program counter c) a & b
Last Answer : c) a & b
Description : Describe the functions of stack pointer and program counter of 8085.
Last Answer : Stack pointer: 1. It is a 16 bit register which is used to store the address of topmost filled memory location of stack memory. 2. SP always points current top of stack. 3. If data is ... of memory and in 8085 the address of memory is 16 bit. Hence program counter is 16 bit register.
Description : The most commonly used standard data code to represent alphabetical, numerical and punctuation characters used in electronic data processing system is called a. ASCII b. EBCDIC c. BCD d. All of above
Last Answer : a. ASCII
Description : Properly arranged data is called a. Field b. Words c. Information d. File
Last Answer : c. Information
Description : An error in computer data is called a. Chip b. Bug c. CPU d. Storage device
Last Answer : b. Bug
Description : The silicon chips used for data processing are called a. RAM chips b. ROM chips c. Micro processors d. PROM chips
Last Answer : d. PROM chips
Description : The act of retrieving existing data from memory is called a. Read-out b. Read from c. Read d. All of above
Last Answer : d. All of above
Description : The arranging of data in a logical sequence is called a. Sorting b. Classifying c. Reproducing d. Summarizing
Last Answer : a. Sorting
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 : How does the microprocessor differentiate between data and instruction
Last Answer : When the first m/c code of an instruction is fetched and decoded in the instruction register, the microprocessor recognizes the number of bytes required to fetch the entire ... will be considered as data & the byte after the data will be treated as the next instruction.
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 : ___ memory system which is discussed later can improve matters in this respect: a. Data memory b. Cache memory c. Memory d. None of these
Last Answer : b. Cache memory
Description : Which is an integral part of any microcomputer system and its primary purpose is to hold program and data: a. Memory unit b. Register unit c. A and B d. None of these
Last Answer : a. Memory unit
Description : System Bus Contains: a. Address Bus b. Data Bus c. Control Bus d. All of these
Last Answer : d. All of these
Description : The ascending order or a data Hierarchy is a. bit - bytes - fields - record - file - database b. bit - bytes - record - field - file - database c. bytes - bit- field - record - file - database d. bytes -bit - record - field - file - database
Last Answer : a. bit - bytes - fields - record - file - database
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 : 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 : Which of the following registers is used to keep track of address of the memory location where the next instruction is located? a. Memory Address Register b. Memory Data Register c. Instruction Register d. Program Register
Last Answer : d. Program Register
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 : The first firm to mass-market a microcomputer as a personal computer was a. IBM b. Super UNIVAC c. Radio Shaks d. Data General Corporation
Last Answer : c. Radio Shaks
Description : In the third Generation of computers a. Distributed data processing first became popular b. An operating system was first developed c. High level procedural language were first used d. Online real time systems first become popular
Last Answer : d. Online real time systems first become popular
Description : Which of the following registers is used to keep track of address of the memory location where the next instruction is located? a. Memory address register b. Memory data register c. Instruction register d. Program counter
Last Answer : d. Program counter
Description : Which of the following registers is loaded with the contents of the memory location pointed by the PC? a. Memory address register b. Memory data register c. Instruction registers d. Program counter
Last Answer : c. Instruction registers
Description : A computer programmer a. Dies all the thinking for a compute b. Can enter input data quickly c. Can operate all types of computer equipment d. Can draw only flowchart
Last Answer : a. Dies all the thinking for a compute
Description : computer operators a. writes computer programs for specific problems b. operate the device which input and output data from the computer c. normally require a college degree in computer science d. all of the above
Last Answer : b. operate the device which input and output data from the computer