#2?s complement of -13 = 11110011 Add the two numbers in their 2?s complement form including their sign bits and discard any carry out of the sign (leftmost) bit position. So the answer is 11101101 (-19). -6 11111010 -13 11110011 ---------------------- -19 11101101 #6. Which one of the following CPU registers holds the address of the instructions (instructions in the program stored in memory) to be executed next?IR (Instruction Register)
1.MAR (Memory address register)
2.MBR (Memory Buffer Register)
3.AC (Accumulator)
4.PC (Program Counter)
Posted Date:-2021-10-04 18:49:36
.Boolean functions expressed as a --------- of minterms or ---------- of maxterms are said to be in a canonical form.
1.Product Sum
2.Sum Product
3.Subtract Divide
4.Divide Subtract
Posted Date:-2021-10-04 18:49:36
.Information transfer from one register to another is designated in symbolic form by means of
1.Control Function
2.Op Code
3.Registers
4.Replacement Operator
Posted Date:-2021-10-04 18:49:36
2?s complement of -13 = 11110011 Add the two numbers in their 2?s complement form including their sign bits and discard any carry out of the sign (leftmost) bit position. So the answer is 11101101 (-19). -6 11111010 -13 11110011 ------------------ -19 11101101 #38. Which one of the following CPU registers holds the address of the instructions (instructions in the program stored in memory) to be executed next?IR (Instruction Register)
1.MAR (Memory address register)
2.MBR (Memory Buffer Register)
3.AC (Accumulator)
4.PC (Program Counter).
Posted Date:-2021-10-04 18:49:36
64K memory contains how many words of 8 bits each?
1.65,536
2.64,536
3.65,436
4.65,546
Posted Date:-2021-10-04 18:49:36
A combinational circuit that converts binary information from n input lines to a maximum of unique output lines is
1.Decoder
2.Encoder
3.Full-adder
4.None of these
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A full-adder is simply a connection of two half-adders joined by
1.AND gate
2.OR gate
3.NAND gate
4.NOR gate
Posted Date:-2021-10-04 18:49:36
A full-adder is simply a connection of two half-adders joined by a
1.AND gate
2.OR gate
3.NAND gate
4.NOR gate
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Consider the following logic function f(ABC). f(ABC) = ( A + B + C?) . (A + B?+ C?) Which of the following would be the result if the above logic function is to be simplified using k-maps?
1.C? + A
2.C + C?A?
3.C.A?
4.C?.A
Posted Date:-2021-10-04 18:49:36
Convert decimal value (888)10 to base-5.(444)5
1.(444)5
2.(12023)5
3.(131313)5
4.(12021)5
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Given the characteristic table of a JK flip-flop find the missing output value. J K Q(t+1) 0 0 Q(t) 0 1 0 #1 0 1 #1 1 ---
1.Q(t)
2.Q?(t+1)
3.1
4.Q?(t)
Posted Date:-2021-10-04 18:49:36
Given the characteristic table of a JK flip-flop find the missing output value. J K Q(t+1) 0 0 Q(t) 0 1 0 #1 0 1 #1 1 ---
1.Q(t)
2.Q?(t+1)
3.1
4.Q?(t)
Posted Date:-2021-10-04 18:49:36
he gray code of a given binary number 1001 is
1.1110
2.110
3.1101
4.1111
Posted Date:-2021-10-04 18:49:36
he registers found in the processor unit are
1.Operational registers
2.Memory registers
3.Binary registers
4.Storage registers
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In which type of flip-flop the indeterminate condition of the SR flip-flop (when S=R=1) is eliminated?
1.Edge-triggered flip-flop
2.JK flip-flop
3.D flip-flop
4.T flip-flop
Posted Date:-2021-10-04 18:49:36
In which type of flip-flop the indeterminate condition of the SR flip-flop (when S=R=1) is eliminated?T flip-flop
1.Edge-triggered flip-flop
2.JK flip-flop
3.D flip-flop
4.T flip-flop
Posted Date:-2021-10-04 18:49:36
Information transfer from one register to another is designated in symbolic form by means of a
1.Control Function
2.Op Code
3.Registers
4.Replacement Operator
Posted Date:-2021-10-04 18:49:36
System Software usually includes a program called a -------- which helps the programmer find errors in a program.
1.Write Buffer
2.Read Buffer
3.Debugger
4.Both (opt1) and (opt3) above
Posted Date:-2021-10-04 18:49:36
Techniques that automatically move program and data blocks into the physical main memory when they are required for execution are called
1.Associative-Mapping techniques
2.Main Memory techniques
3.Virtual Memory techniques
4.Cache Memory techniques
Posted Date:-2021-10-04 18:49:36
Techniques that automatically move program and data blocks into the physical main memory when they are required for execution are calledVirtual Memory techniques
1.Associative-Mapping techniques
2.Main Memory techniques
3.Virtual Memory techniques
4.Cache Memory techniques
Posted Date:-2021-10-04 18:49:36
The bulk of the binary information in a digital computer is stored in memory but all computations are done in
1.Timing Control
2.Memory Registers
3.Processor Registers
4.Program Control
Posted Date:-2021-10-04 18:49:36
The bulk of the binary information in a digital computer is stored in memory but all computations are done in
1.Timing Control
2.Memory Registers
3.Processor Registers
4.Program Control
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The control condition is terminated with
1.Comma
2.Semicolon
3.Colon
4.Hash
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The correspondence between the main memory blocks and those in the cache is specified by
1.Mapping function
2.Replacement algorithm
3.Hit rate
4.Miss penalty
Posted Date:-2021-10-04 18:49:36
The correspondence between the main memory blocks and those in the cache is specified by aPage fault
1.Miss penalty
2.Replacement algorithms
3.Hit rate
4.Mapping functions.
Posted Date:-2021-10-04 18:49:36
The CPU nearly delays its operation for one memory cycle to allow direct memory I/O transfer. This process is called
1.Burst transfer
2.Cycle waiting
3.Cycle stealing
4.Cycle interrupting
Posted Date:-2021-10-04 18:49:36
The DMA transfer technique where transfer of one word data at a time is called
1.Cycle stealing
2.Memory stealing
3.Hand-shaking
4.Inter-leaving
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The number of 256*4 RAM chips required to construct 2KB CACHE is
1.8
2.2
3.4
4.16
Posted Date:-2021-10-04 18:49:36
The one major advantage of CMOS is its #34. The one major advantage of CMOS is itsHigh propagation delay
1.Low propagation delay
2.High propagation delay
3.Very low propagation delay
4.Very high propagation delay
Posted Date:-2021-10-04 18:49:36
The processor ---------- and I/O Devices are interconnected by means of a common bus. #17. The processor ---------- and I/O Devices are interconnected by means of a common bus.Main Memory
1.Cache Memory
2.Auxiliary Memory
3.Virtual Memory
4.Main Memory
Posted Date:-2021-10-04 18:49:36
The processor _________ and I/O Devices are interconnected by means of a common bus. #49. The processor _________ and I/O Devices are interconnected by means of a common bus.
1.Cache Memory
2.Auxiliary Memory
3.Virtual Memory
4.Main Memory
Posted Date:-2021-10-04 18:49:36
The registers found in the processor unit are
1.Operational registers
2.Memory registers
3.Storage registers
4.Binary registers
Posted Date:-2021-10-04 18:49:36
The set of physical addresses is called
1.Disk Space
2.Address Space
3.Pages
4.Frames
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The simplest way to determine cache locations in which to store memory blocks is the
1.Associative Mapping technique
2.Direct Mapping technique
3.Set-Associative Mapping technique
4.Indirect Mapping technique
Posted Date:-2021-10-04 18:49:36
The simplest way to determine cache locations in which to store memory blocks is the
1.Associative Mapping technique
2.Direct Mapping technique
3.Set-Associative Mapping technique
4.Indirect Mapping technique
Posted Date:-2021-10-04 18:49:36
The sum of -6 and -13 using 2?s complement addition is
1.11100011
2.11110011
3.11001100
4.11101101
Posted Date:-2021-10-04 18:49:36
The sum of -6 and -13 using 2?s complement addition is
1.11100011
2.11110011
3.11001100
4.11101101
Posted Date:-2021-10-04 18:49:36
The transfer of new information into the register is called
1.Execution
2.Loading
3.Shifting
4.Configuring
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To convert octal code to binary code which of the following digital functions should be used?
1.Decoder
2.Encoder
3.Multiplexer
4.Demultiplexer
Posted Date:-2021-10-04 18:49:36
To convert octal code to binary code which of the following digital functions should be used?
1.Decoder
2.Encoder
3.Multiplexer
4.Demultiplexer
Posted Date:-2021-10-04 18:49:36
What are the building blocks of combinational circuits?Registers
1.Flip-flops
2.Logical gates
3.Latches
4.Full-subtractor
Posted Date:-2021-10-04 18:49:36
What are the building blocks of combinational circuits?Registers
1.Flip-flops
2.Logic gates
3.Latches
4.Registers
Posted Date:-2021-10-04 18:49:36
What are the major components of a CPU?
1.Control Unit Register Set Arithmetic Logic Unit
2.Control Unit Memory Unit Arithmetic Logic Unit
3.Memory Unit Arithmetic Logic Unit Auxiliary Memory
4.Register Set Control Unit Memory Unit
Posted Date:-2021-10-04 18:49:36
What are the major components of a CPU?Control Unit Register Set Arithmetic Logic UnitControl Unit Memory Unit Arithmetic Logic Unit
1.Control Unit Register Set Arithmetic Logic Unit
2.Control Unit Memory Unit Arithmetic Logic Unit
3.Memory Unit Arithmetic Logic Unit Auxiliary Memory
4.Register Set Control Unit Memory Unit
Posted Date:-2021-10-04 18:49:36
What are the missing values in the truth table of a half-adder given below? x y C S 0 0 -- -- 0 1 0 1 #1 0 0 1 #1 1 1 0
1.x
2.y
3.0
4.1
Posted Date:-2021-10-04 18:49:36
What does T stands for in T flip-flop?
1.Top
2.Type
3.Toggle
4.Tickle
Posted Date:-2021-10-04 18:49:36
What does T stands for in T flip-flop?
1.Top
2.Type
3.Toggle
4.Tickle
Posted Date:-2021-10-04 18:49:36
What interface is used to connect the processor to I/O devices that require transmission of data one bit at a time?
1.Parallel
2.Serial
3.Output
4.Input
Posted Date:-2021-10-04 18:49:36
What is Q when S = 1 and R = 1 for SR flip-flop?Complement of previous output
1.No Change
2.Clear to 0
3.Set to 1
4.Indeterminate.
Posted Date:-2021-10-04 18:49:36
What is Q when S = 1 and R = 1 for SR flip-flop?Set to 1
1.No Change
2.Clear to 0
3.Complement of previous output
4.Indeterminate.
Posted Date:-2021-10-04 18:49:36
What is the name of device that is allowed to initiate data transfer on the bus?
1.Bus Master
2.Bus Arbitration
3.Bus Cycle
4.Bus Request
Posted Date:-2021-10-04 18:49:36
What is the purpose of RAID system?
1.It increases the processor speed
2.It increases the disk storage capacity
3.It increases the disk storage capacity and availability
4.It increases operating system efficiency
Posted Date:-2021-10-04 18:49:36
Which of the following modes are used to handle data transfer to and from peripherals?
1.Programmed I/O
2.Programmed I/O
3.Interrupted-initiated I/O
4.Programmed I/O Interrupted-initiated I/O Direct memory access
Posted Date:-2021-10-04 18:49:36
Which of the following representation requires the least number of bits to store the number +255?
1.BCD
2.2?s complement
3.1?s complement
4.Unsigned binary
Posted Date:-2021-10-04 18:49:36
ystem Software usually includes a program called a _______ which helps the programmer to find errors in a program.
1.Write Buffer
2.Read Buffer
3.Debugger
4.Both (opt1) and (opt3) above
Posted Date:-2021-10-04 18:49:36