Description : is which initializes the value of variable: a. Assignment expression b. Condition value Cc. Increment/decrement d. None of these
Last Answer : a. Assignment expression
Description : Which operations are used for addition, subtraction, increment, decrement and complement function: a. Bus b. Memory transfer c. Arithmetic operation d. Allof these
Last Answer : d. Allof these
Description : Which operation are done by increment or decrement the stack pointer: a. Push b. Pop ce. Both d. None
Last Answer : ce. Both
Description : An instruction code must specify the address of the__. a. Opecode b. Operand c. Both d. None
Last Answer : b. Operand
Description : Counting in hex, each digit can be increment from. a OtoF b. OtoG Cc. Oto H d. Oto]
Last Answer : a OtoF
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 : Distinguish between auto increment and auto decrement addressing mode?
Last Answer : The Effective Address of the operand is the contents of a register in the instruction. After accessing the operand, the contents of this register is automatically incremented. The Effective Address of ... contents of this register is automatically decremented to point to the next item in the list.
Description : Explain increment and decrement operator.
Last Answer : Increment operator is used to increment or increase the value of a variable by one. It is equivalent to adding one to the value of the variable. The symbol used is ++. The decrement operator is used to decrement ... n--; printf("\nvalues after changing%d%d",m,n); getch(); }
Description : Process of replacing the sequence of lines of codes is known as: a. Expanding die macro b. Expanding tri macro c. Tetra macro d. None of these
Last Answer : a. Expanding die macro
Description : In second pass, assembler creates _ in binary format for every instruction in program and then refers to the symbol table to giving every symbol an_ _ relating the segment. a. Code and program b. Program and instruction c. Code and offset d. All of these
Last Answer : c. Code and offset
Description : A micro operation every bit of a register is a: a. Constant b. Variable c. Both d. None
Last Answer : b. Variable
Description : function is used to transfer the control to end of a program which uses one argument( ) and takes value is zero for_ __ termination and non-zero for _termination: a. _ Exit( ) normal, abnormal b. Break, normal, abnormal Botha & b None of these
Last Answer : a. _ Exit( ) normal, abnormal
Description : ___arrow represents the value obtained by evaluating right side expression/variable to the left side variable. a. Forth b. Inbetween co. Back d. None of these
Last Answer : co. Back
Description : During program execution content of main memory undergo changes and, but control memory has _ microprogram: a. Static b. Dynamic c. Compile time d. Fixed
Last Answer : d. Fixed
Description : In which numeral every position has a value 2 times the value f the position to its right: a. Decimal b. Octal c. Hexadecimal d. Binary
Last Answer : d. Binary
Description : Binary numbers can also be expressed in this same notation by _——_—srrepresentation. a. Floating point b. Binary point c. Decimal point d. All of these
Last Answer : a. Floating point
Description : As the instruction length increases ————_ of instruction addresses in all the instruction is_ a. Implicit inclusion b. Implicit and disadvantageous c. Explicit and disadvantageous d. Explicit and disadvantageous
Last Answer : c. Explicit and disadvantageous
Description : The instruction fetch operation is initiated by loading the contents of program counter into the and sends _ request to memory: a. Memory register and read b. Memory register and write c. Data register and read d. Address register and read
Last Answer : d. Address register and read
Description : Hamming codes was developed in _ a 1953 b. 1950 c. 1945 d. 1956
Last Answer : b. 1950
Description : The maximum clock frequency is _ a. 45 MHZ b. 50 MHZ c. 52 MHZ d. 68 MHZ
Last Answer : b. 50 MHZ
Description : Information is handled in the computer by _ __ a. Electrical digit b. Electrical component c. Electronic bit d. None of these
Last Answer : b. Electrical component
Description : The register that includes the address of the memory unit is termed asthe _ a. MAR b PC Cc. IR d. None of these
Last Answer : a. MAR
Description : High level language C supports register transfer technique for _ application. a. Executing b. Compiling c. Both d. None
Last Answer : a. Executing
Description : Register are assumed to use positive-edge-triggered _ a. Flip-flop b. Logics Cc. Circuit d. Operation
Last Answer : a. Flip-flop
Description : The memory bus is also referred as _ a. Databus b. Address bus c. Memory bus d. — Allof these
Last Answer : a. Databus
Description : which of the 2 files are created by the assembler. a. _ List and object file b. Link and object file c. Botha &b d. None of these
Last Answer : a. _ List and object file
Description : In which code is object file is coded: a. Link code b. Decimal code c. Assembly code d._— Binary code
Last Answer : d._— Binary code
Description : IBM-360 type language is example which supporting _—___—sJanguage. a. Micro b. Macro c. Botha &b d. None of these
Last Answer : b. Macro
Description : shave addresses where instructions are stored along with address of working storage: a. _ Relative entities b. Absolute entities c. Botha &b d. None of these
Last Answer : a. _ Relative entities
Description : A module contains machine code with specification on_ _ a. Relative addresses b. Absolute addresses c. Object program d. None of these
Last Answer : a. Relative addresses
Description : doesn’t need a linker to load it and is loaded _ a. Indirectly b. Directly c. Extending d. None of these
Last Answer : b. Directly
Description : Testing helpstoensure_——_—of the program for use within a system. a. Quality, accuracy and except b. Quality, accuracy and acceptance c. Design, assurance and acceptance d. Quality, accuracy and development
Last Answer : b. Quality, accuracy and acceptance
Description : The compiler _ translate a program code with any syntax error: a. Can b. Cannot c. Without d. None of these
Last Answer : b. Cannot
Description : When subroutine is called contents of program counter is location address of __ instruction following call instruction is stored on _ __and program execution is transferred to __ address. a. Non ... , Stack and Main program Cc. Executable, Queue and Subroutine d. Executable, Stack and Subroutine
Last Answer : d. Executable, Stack and Subroutine
Description : subroutines are invoked by using their___ _ ina subroutine call statement and replacing formal parameters with__ __ parameters: a. Identifier and formal b. Identifier and actual c. Expression and arguments d. None of these
Last Answer : b. Identifier and actual
Description : Subroutine is called _ a. In Same program b. Inexternal program co Botha&b d. None of these
Last Answer : co Botha&b
Description : By defining the _ __ register as last in first out stack the sequence can handle nested subroutines: a. S b. J ce. R d. T
Last Answer : ce. R
Description : The front panel display provides lights as green LED represent sand red LED represent _ for device programmer who writes input/output basic: a. Busy and Error b. Error and Busy c. Busy and Busy d. Error and Error
Last Answer : a. Busy and Error
Description : Compared to hardware, firmware is _ __to design micro programmed organization: a. Difficult b. Easier c. Both a& b d. None of these
Last Answer : b. Easier
Description : One of use of microprogramming to implement _ ____ of processor in Intel 80x86 and Motorola 680x0 processors whose instruction set are evolved from 360 original. a. Control structure b. Without control c. Control unit d. Only control
Last Answer : c. Control unit
Description : The function of these microinstructions is to issue the micro orders to_ _ a. CPU b. Memory c. Register d. Accumulator
Last Answer : a. CPU
Description : Microcodes are stored as firmware in _ a. Memory chips b. Registers c. accumulators d. none of these
Last Answer : a. Memory chips
Description : Decoding of an instruction in RISC architecture means decision on working of control unit for: a. Remainder of instructions b. _ Divisor of instructions c. Dividend of instructions d. None of these
Last Answer : a. Remainder
Description : In register stack a stack can be organized bya____——_—s number of register. a. Infinite number b. Finite number c. Both d. None
Last Answer : b. Finite number
Description : RPN stands for. a. _ Reverse polish notation b. Read polish notation c. Random polish notation d. None of these
Last Answer : a. _ Reverse polish notation
Description : In instruction formats instruction is represent by a___ _ of bits: a. Sequence b. Parallel c. Both d. None
Last Answer : a. Sequence
Description : Ininstruction formats the information required by the _ for execution: a. ALU b. CPU Cc. RISC d. DATA
Last Answer : b. CPU
Description : In which section only one process is allowed to access the shared variable and all other have to wait. a. Critical section b. Racing section Cc. Entry section d. Remainder section
Last Answer : . Critical section
Description : The variable of __ correspond to hardware register: a. RAM b. RIL c. ALU d. MAR
Last Answer : b. RIL
Description : The instruction set can have variable-length instruction format primarily due to: a. Varying number of operands b. Varying length of opcodes in some CPU ce. Both d. None