CSAQUIZ

QUIZ

Computer System Architecture

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Quiz

QUESTION 1

Identify the type of bus that connect e external devices with computer`s main components.

System bus answer

Data bus

Internal bus

Peripherral bus

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QUESTION 2

Identify the CORRECT definition of cache memory..

The/ main memory storage in computer system

The largest memory in computer system

The storage hat stores operating system instructiom

The temporary storage device tha.t keeps certain data for quick eference

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QUESTION 3

Choose the statement that explains the drawback of Programmed I/O and Interrupt -Initiated I/O mode transfer..

Processor tied up in managing an input output data transfer

Unlimited input output transfer rate

Needs an additional controller to control the transer

TSuitable only for large volume of data

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QUESTION 4

Identify the bit that were used to represent positive and negative sign in binary numbers

Most significant bit

Least significant bit

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QUESTION 5

Identify the type of logic gate that is represented by the symbol shown in Figure A1

Exclusive OR

Exclusive NOR

NOR

OR

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QUESTION 6

Choose the smallest number.

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QUESTION 7

451.2969. 44803.25. 451. 44803

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QUESTION 8

AB+C' (AB)'+C'. (AB)+C')' ((A+B)C')

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QUESTION 9

Match the inputs that produce invalid state in SR flip-flop

S=1, R=0

S=1, R=1

S=0, R=1

S=0, R=0

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QUESTION 10

Choose the differences of Sequential Circuit if compared To Combinational Circuit..

Sequential circuits requires no feedback

Sequential circuit is a combinations of logic gates

Sequential circuit has memory elemen

A Output of sequential circuit depends on next state only

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QUESTION 11

Choose the definition of instruction set..

The way of operand is specified

The colllection of different instruction that the computer can excute

The process by which a single instruction of a program is executed

A specific subroutine of a program, run if conditions relating to the flag register are ssatisfied

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QUESTION 12

Recognise the language that computers can directlyUnderstand and execute

Application Language

Machine language

High level. Language

Assembly language

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QUESTION 13

Choose the example of immediate addressing mode insruction

MOVE.B [A0], A1

MOVE.BA0,A1

MOVE.B 5(A0), D1

MOVE.B #$10,A0

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QUESTION 14

Choose the invalid assembly language instruction

UMULU.L D0,D1

DIVU.W D0, D1

ADDA.W A3,A4

MOVE.B D1,D2

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Given the value D2=FFFF 1234. Identify the content of D2 after the execution of instruction line NOT.B D2

QUESTION 15

0000 EDCB

0000 00CB

FFFF 12CB

FFFF EDCB

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QUESTION 16

Select the criteria of Complex Instruction Set Computer

Allows pipelining

Instruction requires multi - clock cycle

Heavy use.of RAM

Large number of registers

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Convert arithmetic equation below into Reverse Polish Notation equation.(7+3)-(5*2)

QUESTION 17

7 3 5 2 + - *

7 3 + - 5 2 *

7 3 5 2 * - +

7 3 +. 5 2 * -

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A CPU instruction cycle contains of few stages. Identify the stages according to the execution order.

QUESTION 18

.i. Decode the instructionii. Execute the instruction iii. Fetch the instruction from memory iv. Read the effectiveness address from memory if the instruction set has an indirect address

i, ii, iii, iv

i, ii, iv, iii

iii, i, iv, ii

iv, iii, ii, i

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Choose the description that explains the operation performed by instruction shown below

QUESTION 19

MOVE.W #$512, D2

Move an immediate decimal data 512 into data register D2 in word size

Move a hexadecimal data 512 into data register D2 in word size

Move a decimal data of D2 into memory address $512 in word size

Move a hexadecimal data of D2 into memory address $512 in word size

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QUESTION 20

Choose the assembly language instruction that can be used to add octal number 23 in a word size into data register D3.

ADDA #$0023, D3

ADD.W #0023,D3

ADD.W #@23,D3

ADDA #%23,D3

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