Computer/Computer Organization and Architecture MCQs Sample Test,Sample questions

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Question:
 A Boolean function can be translated from ______________ expression into a logic diagram.

1.boolean.

2.logical

3.relational

4.algebric

Posted Date:-2022-01-02 18:02:04


Question:
 A straight subtraction of 2 numbers requires a __________ circuit.

1.BCD adder.

2.subtractor

3.division

4.subtractor

Posted Date:-2022-01-02 18:34:57


Question:
 A ________ is a group of flip-flops.

1.memory.

2.circuit

3.register

4.bits

Posted Date:-2022-01-02 18:24:46


Question:
 During the execution of the instructions, a copy of the instructions is placed in the _____.

1.Register

2.RAM

3.System heap

4.Cache

Posted Date:-2022-01-02 18:18:29


Question:
 Each gate can be represented in tabular form by __________.

1.symbols.

2.function

3.truth table.

4.logic

Posted Date:-2022-01-02 17:59:57


Question:
 In flip-flop input R stands for __________.

1. read.

2.reset

3.reimburse

4.rectangle

Posted Date:-2022-01-02 18:09:43


Question:
 In T flip-flop T stands for ___________.

1.technical

2. toggle.

3.trigger

4. type edged.

Posted Date:-2022-01-02 18:12:10


Question:
 Minterm is also called ________.

1.standard product.

2.standard sum.

3.union

4.difference

Posted Date:-2022-01-02 18:08:49


Question:
 The first computer architecture was designed (or developed) in

1.1970

2.1971

3.1968

4.1972

Posted Date:-2022-01-02 17:13:42


Question:
 The major basic functions performed by a computer are

1.Data and Instructions are accepted as input.

2.Processing of data as per the instructions (called data processing)

3.Control of all operations inside the computer and produced the result in the form of output.

4. All of the above areas

Posted Date:-2022-01-02 17:42:56


Question:
 The ____________ memory access time is less than the access time of the main memory.

1.virtual

2.associative

3.backup

4.mapping

Posted Date:-2022-01-02 18:46:59


Question:
 There are ________ basic arithmetic operations.

1.. one.

2. two.

3.three.

4.four

Posted Date:-2022-01-02 18:30:28


Question:
 What is concerned with the way the hardware components operate to form computer system?

1.Computer organization.

2.Computer design.

3.Computer architecture.

4.Computer implementation.

Posted Date:-2022-01-02 17:58:09


Question:
A decimal arithmetic unit is a ___________ function that performs decimal micro operations.

1.analog

2.logical

3.digital

4.boolean

Posted Date:-2022-01-02 18:33:53


Question:
A register is capable of storing __________ bit of information.

1.one.

2.two

3.three

4.four

Posted Date:-2022-01-02 18:26:36


Question:
A _______ is a digital circuit that performs the inverse operation of a decoder.

1.multiplexer

2.adder

3.subtractor

4.encoder

Posted Date:-2022-01-02 18:21:43


Question:
A _________ circuit is a connected arrangement of logic gates with a set of inputs and outputs.

1.arithmetic.

2.logic

3.combinational

4.shift

Posted Date:-2022-01-02 18:04:49


Question:
A _________ is a combinational circuit that forms sum of 3 input bits.

1.half adder.

2. full adder

3.BCD adder.

4.composite adder.

Posted Date:-2022-01-02 18:06:49


Question:
A _____________ circuit is an interconnection of flip-flops and gates.

1.combinational.

2.arithmetic

3.shift

4.sequential

Posted Date:-2022-01-02 18:13:55


Question:
A _______________ interrupt is a system that establishes a priority over sources to determine which
condition to service first.

1. software.

2.hardware

3.priority

4.device

Posted Date:-2022-01-02 18:39:31


Question:
Devices that provide backup storage are called ___________ memory.

1.main

2.auxiliary

3.backup

4.device

Posted Date:-2022-01-02 17:51:13


Question:
How many digits are used in Binary number system?

1.zero.

2.one

3.two

4.three

Posted Date:-2022-01-02 17:52:19


Question:
If both inputs A and B are equal to 1 in AND gate, the output is_______.

1.zero.

2.one

3.don’t care.

4.binary

Posted Date:-2022-01-02 18:01:01


Question:
Maxterm is also called ________.

1.standard product.

2.standard sum.

3.union

4.differnce

Posted Date:-2022-01-02 18:19:35


Question:
Short form of “American Standard Code for Information Interchange”.

1. ASCFII

2.ASCII

3.ASCFI

4.ASCI

Posted Date:-2022-01-02 18:16:41


Question:
Special input terminal for setting the flip-flop is called ______.

1.clear.

2.set

3.preset

4.reset

Posted Date:-2022-01-02 18:13:02


Question:
The addition of 2 binary digits is done by ___________ circuit.

1.half adder.

2. full adder

3.BCD adder.

4. composite adder.

Posted Date:-2022-01-02 18:05:47


Question:
The arithmetic processor is simple if it has only fixed point ________ instruction.

1.add.

2.subtract

3.multiply

4.division

Posted Date:-2022-01-02 18:31:35


Question:
The condition when it does not matter if the function produces 0 or 1 for a given minterm is ________________.

1.SOP.

2.POS

3.NOR

4.don’t care.

Posted Date:-2022-01-02 18:03:55


Question:
The CPU responds to the interrupt signal by storing the ___________ address from program counter.

1.stack.

2.memory

3.return

4.I/O.

Posted Date:-2022-01-02 18:41:33


Question:
The K-Map is also called ________________ diagram

1.venn.

2.boolean

3.vector

4.veitch

Posted Date:-2022-01-02 18:44:14


Question:
The K-Map is also called ________________ diagram

1.venn

2.boolean

3.vector

4.veitch

Posted Date:-2022-01-02 18:48:51


Question:
The main components (or basic units) of a computer system are

1. Input/ Output unit

2.Central Process Unit (CPU)

3.Memory unit (Storage unit)

4.All of the above

Posted Date:-2022-01-02 17:41:04


Question:
The manipulation of binary information is done by logic circuits called __________.

1.blocks

2.gates

3.symbols

4.functions

Posted Date:-2022-01-02 17:59:04


Question:
The map simplification method is also known as ___________ map.

1.karnaugh.

2.algebric

3.basic

4.binary

Posted Date:-2022-01-02 18:03:05


Question:
The means of entering information into computer is through a ___________.

1.mouse

2.keyboard.

3.printer

4.monito

Posted Date:-2022-01-02 18:36:19


Question:
The memory unit that directly communicates with CPU is called __________ memory.

1. main.

2.auxiliary

3.device

4.backup

Posted Date:-2022-01-02 17:49:47


Question:
The multiplexer is also called ________ selector since it selects one of many data inputs.

1.line

2.data

3.binary

4.octal

Posted Date:-2022-01-02 18:20:37


Question:
The solution to any problem stated by a finite number of procedural steps is _________.

1. procedure.

2.algorithm

3.subprogram

4.specification

Posted Date:-2022-01-02 18:32:35


Question:
The state of the flip flop after the occurrence of a clock pulse is called __________ state .

1.high level.

2.present

3.next

4.low level.

Posted Date:-2022-01-02 18:17:35


Question:
The state table of sequential circuit consists of __________ sections.

1.one.

2.two

3.three

4.four

Posted Date:-2022-01-02 18:14:59


Question:
The storage element employed in clocked sequential circuit is called ___________.

1.memory.

2.flipflop

3.circuit

4.subtractor

Posted Date:-2022-01-02 18:07:46


Question:
The summation symbol stands for the _______.
A. ORing of terms.
B. AND of terms.
C. Not.
D. NAND.

1.ORing of terms.

2. AND of terms.

3.Not

4.NAND

Posted Date:-2022-01-02 18:28:47


Question:
The _______ input in the register determines the action to be taken with each clock pulse.

1. buffer.

2.register

3.load

4.zero

Posted Date:-2022-01-02 18:27:45


Question:
The _________ flip-flop is a slight modification of SR flip-flop.

1.JK

2.T

3.edge triggered.

4.D.

Posted Date:-2022-01-02 18:10:56


Question:
The ___________ subsystem of a computer provides communication between central system and
outside environment.
.

1.. input/output

2.input

3.output

4.exit

Posted Date:-2022-01-02 18:38:33


Question:
The ____________ memory access time is less than the access time of the main memory.

1. virtual.

2.associative

3.cache

4.mapping

Posted Date:-2022-01-02 17:49:02


Question:
The ____________ state shows the states of flip-flops A and B at any given time t.

1. input.

2.next

3.present

4.output

Posted Date:-2022-01-02 18:15:46


Question:
What digit is called a bit?

1.decimal

2.binary.

3.octal

4.hexadecimal

Posted Date:-2022-01-02 17:54:15


Question:
What is the reflected code for the decimal equivalent 9?

1.1100

2.1101

3.1011

4.1001

Posted Date:-2022-01-02 18:43:06


Question:
What is the term used for “sequence of instructions for the computer”?

1.hardware

2.program.

3.data

4.instruction

Posted Date:-2022-01-02 17:56:43


Question:
What type of computer uses the binary number system?

1.Analog.

2.Intra

3.Super

4.Digital

Posted Date:-2022-01-02 17:53:34


Question:
Which component of the computer consists of physical entity of the device?

1.software

2.middleware

3.hardware

4.firmware

Posted Date:-2022-01-02 17:55:01


Question:
Which consists of instructions and data that computer manipulates to perform data processing tasks?

1.software.

2.middleware

3.hardware

4.firmware

Posted Date:-2022-01-02 17:55:50


Question:
________ is a binary code of a group of elements consisting of 10 decimal digits, the 26 letters of
the alphabet and a certain number of special symbols such as $.

1. Alphanumeric code.

2.Decimal code.

3.Error detection code.

4.Reflected code.

Posted Date:-2022-01-02 18:40:42


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