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CSA SA2
CS0003 / CSA SA2
| Question | Answer |
|---|---|
| This Boolean Algebra Law states that A ∧ 0 = 0 Annulment De Morgan’s Law Identity Law Commutative Law | Annulment |
| This Boolean Algebra Law states that A ∧ 1 = A Identity Law De Morgan's Law Annulment Associative | Identity Law |
| This Boolean Algebra Law states that ¬(A ∧ B)= ¬A ∨ ¬B De Morgan’s Law Identity Law Associative Commutative Law | De Morgan’s Law |
| This Boolean Algebra Law states that A ∧ B =B ∧ A Commutative Law Identity Law Associative De Morgan’s Law | Commutative Law |
| Boolean addition corresponds to the logical function of an AND gate. True False | False |
| Which Logic Gates has the following truth table? A B OUT 0 0 0 0 1 1 1 0 1 1 1 1 - OR - NOT - AND | OR |
| What is the output for this logic gates? (Image of two 1's going toward semicircle) - 1 - 0 | 1 |
| What is the output for this logic gates? (Image of 1 going towards triangle) - 1 - 0 | 0 |
| (T/F) This is a symbol for an AND logical gate. (Image of INPUT going towards triangle) | False |
| It is a very fast computer memory, used to store data/instruction in-execution. Register flip-flop loading the register Register transfer language | Register |
| It is a circuit that has two stable states and can be used to store state information. Register flip-flop loading the register Register transfer language | flip-flop |
| This is the most common register, used to store data taken out from the memory. register transfer General Purpose Registers accumulator Special Purpose Registers | accumulator |
| This is used to store data intermediate results during program execution. It can be accessed via assembly programming. register transfer accumulator General Purpose Registers Special Purpose Registers | General Purpose Registers |
| Users do not access these registers. register transfer register transfer General Purpose Registers Special Purpose Registers | Special Purpose Registers |
| It is a type of micro-operation that is performed by adding 1 the register. Arithmetic micro-operations Logic micro-operations Shift micro-operations Increment | Increment |
| It is a type of micro-operation that is performed by subtracting 1 from the register. Decrement Logic Micro-Operations Shift Micro-Operations Logical Shift | Decrement |
| This is the symbol that is used for logical shift left. shl shr Circular Shift Arithmetic Shift | shl |
| This circulates or rotates the bits of register around the two ends without any loss of data or contents. shl shr Circular Shift Arithmetic Shift | Circular Shift |
| This shift leaves the sign bit unchanged because the signed number remains same when it is multiplied or divided by 2. shl shr Circular Shift Arithmetic Shift | Arithmetic Shift |
| It refers to those attributes of a system visible to a programmer. Computer architecture Computer organization Structure Function | Computer architecture |
| It refers to the operational units and their interconnection that realize the architecture specification. Computer architecture Computer organization Structure Function | Computer organization |
| It controls the operation of the CPU and hence the computer. ALU Control Unit System Interconnection CPU | Control Unit |
| It allows data to travel back and forth between the microprocessor (CPU) and memory (RAM). Register CPU Interconnection bus Data Bus | Data Bus |
| What is the Address bus size of the 8088 processor? 20 24 32 36 | 20 |
| What is the Address bus size of the 80386dx processor? 20 24 32 36 | 32 |
| Many computer manufacturers offer a family of computer model, all with the same architecture but with differences in organization. True False | True |
| When data are moved over longer distances, to or from a remote device, the process is known as I/O communications. True False | False |
| The computer is an entity that interacts in some fashion with its external environment. True False | True |
| A bus with eight wires can carry only 8-bit data words, and hence defines the device as an 8-bit device. True False | True |
| This register is used to store data/instruction coming from the memory or going to the memory. I/O Address Register Program Counter Memory Buffer Register Registers | Memory Buffer Register |
| If operand or data needed by the instruction resides in MM, it will have to be fetched by sending its address to the MAR and initiating a read cycle. True False | True |
| A flag register is an 8 bits wide register. True False | False |
| Zero Flag is a Conditional Flag. True False | True |
| Carry Flag is a Control Flag. True False | False |
| It is a group of bits that define operations such as add, subtract, multiply, shift and compliment. Instruction code Operation code Memory address Accumulators | Operation code |
| It specifies not only operations to be performed but also the registers where the operands(data) will be found as well as the registers where the result has to be stored. Instruction code Operation code Memory address Accumulators | Instruction code |
| It is An alternative scheme in generating the control signals. Memory Reference Instruction Register Reference Instruction Input-Output Instruction Microprogrammed Control | Microprogrammed Control |
| It is a word whose individual bits represent the various control signals. control word Microroutines microprogram memory available on the computer. | control word |
| When the 2nd part of the instruction code specifies the address of an operand, the instruction is said to have a direct address. True False | True |
| Computers may have instructions of different lengths containing varying number of addresses. True False | True |
| The number of address field in the instruction format depends upon the internal organization of its registers. True False | True |
| Each of the control steps in the control sequence of an instruction defines a unique combination of 1’s and 0’s in the CW. True False | True |
| The Operation code (opcode) part of the instruction contains 3 bits and remaining 13 bits depends upon the operation code encountered. True False | True |
| Instructions are stored in one section of memory and data in another. True False | True |
| It refers to the way in which the operand of an instruction is specified. Addressing modes Displacement implied mode Register mode | Addressing modes |
| It is an 8 bit or 16 bit immediate value given in the instruction. Addressing modes Displacement implied mode Immediate addressing mode | Displacement |
| In this mode data is present in address field of instruction. Addressing modes Displacement implied mode Immediate addressing mode | Immediate addressing mode |
| In this mode, the data is in the register that is specified by the instruction. implied mode Register mode Displacement Immediate addressing mode | Register mode |
| In this mode, one register reference is required to access the data. implied mode Register mode Displacement Immediate addressing mode | Register mode |
| In this addressing the operand’s offset is placed in any one of the registers BX,BP,SI,DI as specified in the instruction. Auto Indexed increment Direct addressing Register Indirect mode Absolute addressing Mode | Register Indirect mode |
Created by:
nemesis12414