Description : Which is the simplest method of implementing hardwired control unit? a) State Table Method b) Delay Element Method c) Sequence Counter Method d) Using Circuits
Last Answer : Answer: a Explanation: There are 3 ways of implementing hardwired control unit: A state table is the simplest method in which a number of circuits are designed based on the cells in the table. ... a delay element. A sequence counter method used k-modulo counter as a replacement for k delay elements
Description : Which statement is false about WR signal: a. WR signal controls the input buffer b. The bar over WR means that this is an active low signal c. The bar over WR means that this is an active high signal d. If WR is 0 then the input data reaches the latch input
Last Answer : c. The bar over WR means that this is an active high signal
Description : Which is not the main feature of DEC Alpha: a. 64 Bit RISC processor b. Designed to replace 32 VAX(CISC) c. Seven stage split integer/floating point pipeline d. Variable Instruction length
Last Answer : d. Variable Instruction length
Description : Intel Itanium processors are designed fora.Servers and personal computers b.Servers only c.Personal computers onlyd.Calculators
Last Answer : b.Servers only
Description : In 1830, Charles Babbage designed a machine called the analytical engine, which he showed at the parts exhibition. In which year was it exhibited? a. 1820 b. 1860 c. 1855 d. 1970
Last Answer : c. 1855
Description : programs designed to perform specific tasks is known as a. system software b. application software c. utility programs d. operating system
Last Answer : c. utility programs
Description : Who designed the first electronics computer – ENIAC? a. Van-Neumann b. Joseph M. Jacquard c. J. Presper Eckert and John W Mauchly d. All of above
Last Answer : c. J. Presper Eckert and John W Mauchly
Description : In 1830, Charles Babbage designed a machine called the Analytical Engine which he showed at the Paris Exhibition. In which year was it exhibition? a. 1820 b. 1860 c. 1855 d. 1870
Description : I must admit to loving the "scent of a woman" as Al Pacino might say. The scent of vanilla will always turn my head. Are any other guys out there seemingly hardwired for vanilla-based fragrances? If so, why?
Last Answer : Women smell like vanilla? This is news to me.
Description : If the control signals are generated by combinational logic, then they are generated by a type of _______________ controlled unit. a) Micro programmed b) Software c) Logic d) Hardwired
Last Answer : Answer: d Explanation: The main task of a control unit is to generate control signals. There are two main types of control units: A hardwired control unit generates control ... combinational logic circuits and the Micro programmed control unit generates control signals by using some softwares
Description : Which control unit is implemented as combinational circuit in the hardware. a. Microprogrammed control unit b. Hardwired control unit c Blockprogrammed control unit d. Macroprogrammed control unit
Last Answer : b. Hardwired control unit
Description : For CISC architecture___ controllers are better: a. Microprogrammed b. Hardwired c. Betterwired d. None of these
Last Answer : a. Microprogrammed
Description : Today, many companies are using managerial techniques that are designed to encourage _________. A. increasing profits B. legal compliances C. Ethical behaviour D. shareholders value
Last Answer : C. Ethical behaviour
Description : Which of the following control techniques available to the researcher controls for both known and unknown variables? a. Building the extraneous variable into the design b. Matching c. Random assignment d. Analysis of covariance
Last Answer : c. Random assignment
Description : Are voice command/wifi type switches and controls designed for singles?
Last Answer : I agree that robot vacuums sometimes turn on for no good reason, but Alexa has a whisper mode that works really well.
Description : Equalization of the power factors of two alternators operating in parallel is accomplished _____________. A. manually, by adjusting the governor controls B. automatically, by automatic voltage regulators ... the output of current transformers D. automatically, by the designed action of the governors
Last Answer : Answer: B
Description : Which statement best describes the emphasis of the systems and substantive approaches in the audit plan? a. A thoroughly designed systems approach to auditing can eliminate the need for any ... computer systems to aid in the audit while the substantive approach focuses on more manual tests
Last Answer : The systems approach focuses on testing controls to make sure they are effective, while the substantive approach is the detailed testing of specific accounts for accuracy
Description : Which of the following best describes the operational audit? a. It requires the constant review by internal auditors of the administrative controls as they relate to operations ofthe company. b. It ... attempts and is designed to verify the fair presentation of a company's results of operations.
Last Answer : It concentrates on seeking out aspects of operations in which waste would be reduced by the introduction of controls
Description : The advantage of following the IEEE Standard for drawing up a Project Management Plan (SPMP) - see IEEE Standard 1059.1 1987 - is a) It is drawn up by representatives from major ... each organisation for a particular applicationarea, development team or technique. e) All of the above.
Last Answer : e) All of the above.
Description : They were fabricated using a low power version of the HMOS technology called____: a. HSMOS b. HCMOS c. HSSOM d. None of these
Last Answer : b. HCMOS
Description : Microprocessor is fabricated on single chip using: a. MOS b. ALU c. CPU d. All of these
Last Answer : a. MOS
Description : We say that a set of gates is logically complete if we can build any circuit without using any other kind of gates. Which of the following sets are logically complete a. set of {AND,OR} b. set of {EXOR, NOT} c. set of {AND,OR,NOT} d. None of the above
Last Answer : c. set of {AND,OR,NOT}
Description : Using DeMorgan's Theorem we can convert any AND-OR structure into a. NAND-NAND b. OR-NAND c. NAND-NOR d. NOR-NAND
Last Answer : a. NAND-NAND
Description : Who built the world’s first electronic calculator using telephone relays, light bulbs and batteries/ a. Claude Shannon b. Konrard Zues c. George Stibits d. Howard H. Aiken
Last Answer : c. George Stibits
Description : who is credited with the idea of using punch cards to control patterns of a weaving machine? a. Pascal b. Hollerith c. Babbage d. Jacquard
Last Answer : d. Jacquard
Description : which chips using special external equipment can reprogram a. ROM b. PROM c. SAM d. RAM
Last Answer : b. PROM
Description : A characteristic of card systems is: a. Slowness in processing data b. Using cards as records of transactions c. Needing a larger DP staff d. All of the above
Last Answer : d. All of the above
Description : Who is credited with the idea of using punch cards to control patterns in a waving machine? a. Pascal b. Hollerith c. Babbage d. Jacquard
Description : The microcomputer system by using the ____device interface: a. Input b. Output c. Both A and B d. None of these
Last Answer : c. Both A and B
Description : Which RAM is created using MOS transistors: a. Dynamic RAM b. Static RAM c. Permanent RAM
Last Answer : a. Dynamic RAM
Description : The ram which is created using bipolar transistors is called: a. Dynamic RAM b. Static RAM c. Permanent RAM d. DDR RAM
Last Answer : b. Static RAM
Description : Using 12 binary digits how many unique house addresses would be possible: a. 28=256 b. 212=4096 c. 216=65536 d. None of these
Last Answer : b. 212=4096
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 : The external system bus architecture is created using from ______ architecture: a. Pascal b. Dennis Ritchie c. Charles Babbage d. Von Neumann
Last Answer : d. Von Neumann
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 : Which technology using the microprocessor is fabricated on a single chip: a. POS b. MOS c. ALU d. ABM
Last Answer : b. MOS
Description : Virtual Mode Flag bit can be set using ____ instruction or any task switch operation only in the _____ mode a) IRET, Virtual b) POPF, Real c) IRET, protected d) POPF, protected
Last Answer : b) POPF, Real
Description : Which of the following is not a program linking directive i) EXTRN ii) SEGMENT iii) NAME iv) PUBLIC v) USING a) iv, v b) ii, iii c) i, iii d) ii, v
Last Answer : c) i, iii
Description : 8096 write-protected mode, no code can write to memory address between __. a) 2020 to 3FFFH b) 8000 to FFFFH c) 2000 to 3FFFH d) 2020 to 202FH 17. If the __ pin is ___ , then we have the option ... b) EA, low, internal, external c) EA, high, external, internal d) EA, low, external, internal
Last Answer : c) EA, high, external, internal
Description : Which of the following statements on DRAM are correct? i) Page mode read operation is faster than RAS read. ii) RAS input remains active during column address strobe. iii) The row and column addresses are strobed into the ... RAS and CAS inputs respectively. a) i & iii b) i & ii c) all d) iii
Last Answer : d) iii
Description : If the __ pin is ___ , then we have the option of using the ____ ROM or EPROM together with _____ memory and devices. a) EA, high, internal, external b) EA, low, internal, external c) EA, high, external, internal d) EA, low, external, internal
Last Answer : a) EA, high, internal, external
Description : Explain ALIGN & ASSUME
Last Answer : The ALIGN directive forces the assembler to align the nextsegment at an address divisible by specified divisor. The format is ALIGN number where number can be 2, 4, 8 or 16. Example ALIGN 8. The ASSUME ... the segment registers at execution time. Example ASSUME CS: code, DS: data, SS: stack
Description : What is linker
Last Answer : A linker is a program used to join together several object files into one large object file. For large programs it is more efficient to divide the large program modules into ... & debugged. When all the modules work they are linked together to form a large functioning program.
Description : What is loader
Last Answer : The loader copies the program into the computer’s main memory at load time and begins the program execution at execution time.
Description : What is assembler
Last Answer : The assembler translates the assembly language program text which is given as input to the assembler to their binary equivalents known as object code. The time required to translate the assembly code ... time. The assembler checks for syntax errors & displays them before giving the object code.
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 is Microcontroller and Microcomputer
Last Answer : Microcontroller is a device that includes microprocessor; memory and I/O signal lines on a single chip, fabricated using VLSI technology. Microcomputer is a computer that is designed using microprocessor as its CPU. It includes microprocessor, memory and I/O.
Description : Why do we use XRA A instruction
Last Answer : The XRA A instruction is used to clear the contents of the Accumulator and store the value 00H.
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 : What is the use of bi-directional buffers?
Last Answer : It is used to increase the driving capacity of the data bus. The data bus of a microcomputer system is bi-directional, so it requires a buffer that allows the data to flow in both directions.