501. Who developed the basic architecture of computer?
Blaise Pascal
Charles Babbage
John Von Neumann
None of the above
Show me the answer
Answer: 3. John Von Neumann
Explanation:
John Von Neumann developed the basic architecture of modern computers, known as the Von Neumann architecture.
502. Which of the following allows simultaneous write and read operations?
ROM
FROM
RAM
None of the above
Show me the answer
Answer: 3. RAM
Explanation:
RAM (Random Access Memory) allows simultaneous read and write operations.
503. Which of the following is not considered as a peripheral device?
CPU
Keyboard
Monitor
All of the above
Show me the answer
Answer: 1. CPU
Explanation:
The CPU is the central processing unit and is not considered a peripheral device. Peripherals include input/output devices like keyboards and monitors.
504. Which of the following computer memory is fastest?
Register
Hard disk
RAM
None of the above
Show me the answer
Answer: 1. Register
Explanation:
Registers are the fastest memory in a computer, located directly in the CPU.
505. Which of the following operations is/are performed by the ALU?
Data manipulation
Exponential
Square root
All of the above
Show me the answer
Answer: 4. All of the above
Explanation:
The ALU (Arithmetic Logic Unit) performs data manipulation, exponential calculations, and square root operations, among others.
506. Which of the following format is used to store data?
Decimal
Octal
BCD
Hexadecimal
Show me the answer
Answer: 3. BCD
Explanation:
BCD (Binary Coded Decimal) is a format used to store decimal numbers in binary form.
507. Which of the following memory of the computer is used to speed up the computer processing?
Cache memory
RAM
ROM
None of the above
Show me the answer
Answer: 1. Cache memory
Explanation:
Cache memory is used to speed up computer processing by storing frequently accessed data closer to the CPU.
508. Computer address, bus is -
Multidirectional
Bidirectional
Unidirectional
None of the above
Show me the answer
Answer: 3. Unidirectional
Explanation:
The address bus is unidirectional, carrying addresses from the CPU to memory or I/O devices.
509. Which of the following circuit is used to store one bit of data?
Flip Flop
Decoder
Encoder
Register
Show me the answer
Answer: 1. Flip Flop
Explanation:
A flip-flop is a basic circuit used to store one bit of data.
510. Which of the following is a way in which the components of a computer are connected to each other?
Computer parts
Computer architecture
Computer hardware
None of the above
Show me the answer
Answer: 2. Computer architecture
Explanation:
Computer architecture defines how components of a computer are connected and interact with each other.
511. Which of the following circuit convert the binary data into a decimal?
Decoder
Encoder
Code converter
Multiplexer
Show me the answer
Answer: 3. Code converter
Explanation:
A code converter is used to convert binary data into decimal or other formats.
512. The address in the main memory is known as -
Logical address
Physical address
Memory address
None of the above
Show me the answer
Answer: 2. Physical address
Explanation:
The address in the main memory is referred to as the physical address.
513. Subtraction in computers is carried out by -
1's complement
2's complement
3's complement
9's complement
Show me the answer
Answer: 2. 2's complement
Explanation:
Subtraction in computers is typically performed using the 2's complement method.
514. Which of the following computer bus connects the CPU to a memory on the system board?
Expansion bus
Width bus
System bus
None of the above
Show me the answer
Answer: 3. System bus
Explanation:
The system bus connects the CPU to memory and other components on the system board.
515. Which of the following memory unit communicates directly with the CPU?
Auxiliary memory
Main memory
Secondary memory
None of the above
Show me the answer
Answer: 2. Main memory
Explanation:
Main memory (RAM) communicates directly with the CPU.
516. The collection of 8-bits is called as -
Byte
Nibble
Word
Record
Show me the answer
Answer: 1. Byte
Explanation:
A collection of 8 bits is called a byte.
517. Which of the following register can interact with the secondary storage?
PC
MAR
MDR
IR
Show me the answer
Answer: 3. MDR
Explanation:
The Memory Data Register (MDR) interacts with secondary storage during data transfer.
518. In which of the following form the computer stores its data in memory?
Hexadecimal form
Octal form
Binary form
Decimal form
Show me the answer
Answer: 3. Binary form
Explanation:
Computers store data in binary form (0s and 1s).
519. Which of the following is a combinational logic circuit which sends data from a single source to two or more separate destinations?
Multiplexer
Demultiplexer
Encoder
Decoder
Show me the answer
Answer: 2. Demultiplexer
Explanation:
A demultiplexer sends data from a single source to multiple destinations.
520. Which of the following is a group of bits that tells the computer to perform a particular operation?
Accumulator
Register
Instruction code
None of the above
Show me the answer
Answer: 3. Instruction code
Explanation:
The instruction code is a group of bits that tells the computer what operation to perform.
521. Where is the document temporarily stored during working on a document on PC?
ROM
CPU
RAM
Flash memory
Show me the answer
Answer: 3. RAM
Explanation:
Documents are temporarily stored in RAM while being worked on.
522. Where is the decoded instruction stored?
Registers
MDR
PC
IR
Show me the answer
Answer: 4. IR
Explanation:
The decoded instruction is stored in the Instruction Register (IR).
523. What does MIMD stand for?
Multiple Instruction Memory Data
Multiple Instruction Multiple Data
Memory Instruction Multiple Data
Memory Information Memory Data
Show me the answer
Answer: 2. Multiple Instruction Multiple Data
Explanation:
MIMD stands for Multiple Instruction Multiple Data, a parallel computing architecture.
524. The status bit is also called as -
Unsigned bit
Signed bit
Flag bit
None of the above
Show me the answer
Answer: 3. Flag bit
Explanation:
The status bit is also known as the flag bit, indicating the status of operations.
525. Which of the following register keeps track of the instructions stored in the program stored in memory?
Accumulator
Address Register
Program Counter
Index Register
Show me the answer
Answer: 3. Program Counter
Explanation:
The Program Counter (PC) keeps track of the next instruction to be executed.
526. The Program Counter is also called as
Instruction Pointer
Data Counter
Memory pointer
None of the above
Show me the answer
Answer: 1. Instruction Pointer
Explanation:
The Program Counter (PC) is also known as the Instruction Pointer.
527. Which of the following topology is used in Ethernet?
Ring topology
Bus topology
Mesh topology
Star topology
Show me the answer
Answer: 2. Bus topology
Explanation:
Ethernet commonly uses a bus topology.
528. Which of the following is correct about memory and storage?
Memory is temporary, Storage is temporary
Memory is temporary, Storage is permanent
Memory is permanent, Storage is temporary
Memory is slow, Storage is fast
Show me the answer
Answer: 2. Memory is temporary, Storage is permanent
Explanation:
Memory (RAM) is temporary, while storage (like hard drives) is permanent.
529. Which of the following is equal to 4 bits?
Byte
Nibble
Record
All of the above
Show me the answer
Answer: 2. Nibble
Explanation:
A nibble is equal to 4 bits.
530. What does one thousand bytes represent?
Kilobyte (KB)
Megabyte (MB)
Gigabyte (GB)
Terabyte (TB)
Show me the answer
Answer: 1. Kilobyte (KB)
Explanation:
One thousand bytes represent a kilobyte (KB).
531. What is the content of stack pointer (SP)?
Address of the top element in the stack
Address of current instruction
Address of next instruction
None of the above
Show me the answer
Answer: 1. Address of the top element in the stack
Explanation:
The stack pointer (SP) holds the address of the top element in the stack, which is the last element added to the stack.
532. An n-bit microprocessor has -
n-bit instruction register
n-bit address register
n-bit program counter
None of the above
Show me the answer
Answer: 1. n-bit instruction register
Explanation:
An n-bit microprocessor typically has an n-bit instruction register to hold the current instruction being executed.
533. Which of the following is the operation executed on data stored in registers?
Byte operation
Bit operation
Macrooperation
Microoperation
Show me the answer
Answer: 4. Microoperation
Explanation:
Microoperations are the basic operations performed on data stored in registers, such as arithmetic, logic, and shift operations.
534. What does a computer bus line consist of?
Set of parallel lines
Accumulators
Registers
None of the above
Show me the answer
Answer: 1. Set of parallel lines
Explanation:
A computer bus consists of a set of parallel lines that carry data, addresses, and control signals between components.
535. Which of the following is performed by half adder?
Binary addition operation for 2 decimal inputs
Binary addition operation for 2 binary inputs
Decimal addition operation for 2 decimal inputs
Binary addition operation for 2 binary inputs
Show me the answer
Answer: 2. Binary addition operation for 2 binary inputs
Explanation:
A half adder performs binary addition on two single-bit binary inputs, producing a sum and a carry output.
536. Which of the following is a combinational logic circuit which converts binary information from n coded inputs to a maximum of 2n unique outputs?
Multiplexer
Demultiplexer
Encoder
Decoder
Show me the answer
Answer: 4. Decoder
Explanation:
A decoder converts binary information from n inputs to a maximum of 2^n unique outputs, typically used in address decoding.
537. Which of the following is a combinational logic circuit that change the binary information into N output lines?
Multiplexer
Demultiplexer
Encoder
Decoder
Show me the answer
Answer: 2. Demultiplexer
Explanation:
A demultiplexer takes a single input and directs it to one of several output lines based on the control signals.
538. Which of the following is a combinational logic circuit that has 2^n input lines and a single output line?
Multiplexer
Demultiplexer
Encoder
Decoder
Show me the answer
Answer: 1. Multiplexer
Explanation:
A multiplexer selects one of several input lines and forwards it to a single output line based on control signals.
539. Which of the following building block can be used to implement any combinational logic circuit?
AND
OR
NAND
None of the above
Show me the answer
Answer: 3. NAND
Explanation:
NAND gates are universal gates, meaning any combinational logic circuit can be implemented using only NAND gates.
540. Which of the following is the circuit board on which chips and processor are placed?
Master circuit
Motherboard
Big board
None of the above
Show me the answer
Answer: 2. Motherboard
Explanation:
The motherboard is the main circuit board in a computer, where the CPU, memory, and other components are connected.
541. Which of the following computer register collects the result of computation?
Accumulator
Instruction Pointer
Storage register
None of the above
Show me the answer
Answer: 1. Accumulator
Explanation:
The accumulator is a register that stores the results of arithmetic and logic operations performed by the CPU.
542. CISC stands for -
Complex Instruction Set Computer
Complete Instruction Sequential Compilation
Complex Instruction Sequential Compiler
None of the above
Show me the answer
Answer: 1. Complex Instruction Set Computer
Explanation:
CISC (Complex Instruction Set Computer) is a type of microprocessor architecture that uses complex instructions to perform multiple operations in a single instruction.
543. Which of the following is the function of the control unit in the CPU?
It stores program instruction
It decodes program instruction
It performs logic operations
None of the above
Show me the answer
Answer: 2. It decodes program instruction
Explanation:
The control unit in the CPU is responsible for decoding instructions and generating control signals to execute them.
544. What does EEPROM stands for?
Electrically Erasable and Programmable Read-Only Memory
Electronically Erasable and Programmable Read-Only Memory
Electrically Enabled and Programmable Read-Only Memory
None of the above
Show me the answer
Answer: 1. Electrically Erasable and Programmable Read-Only Memory
Explanation:
EEPROM (Electrically Erasable and Programmable Read-Only Memory) is a type of non-volatile memory that can be erased and reprogrammed electrically.
545. In which of the following term the performance of cache memory is measured?
Chat ratio
Hit ratio
Copy ratio
Data ratio
Show me the answer
Answer: 2. Hit ratio
Explanation:
The performance of cache memory is often measured by the hit ratio, which is the percentage of memory accesses that are found in the cache.
546. RISC stands for -
Reduce Instruction Set Computer
Risk Instruction Sequential Compilation
Risk Instruction Source Compiler
None of the above
Show me the answer
Answer: 1. Reduce Instruction Set Computer
Explanation:
RISC (Reduced Instruction Set Computer) is a type of microprocessor architecture that uses a small, highly optimized set of instructions.
547. Which of the following is an essential data transfer technique?
MMA
DMA
CAD
CAM
Show me the answer
Answer: 2. DMA
Explanation:
DMA (Direct Memory Access) is a data transfer technique that allows peripherals to access memory directly without CPU intervention.
548. Which of the following is page fault?
Page fault occurs when a program accesses a page of another program
Page fault occurs when a program accesses a page in main memory
Page fault occurs when there is an error in particular page
Page fault occurs when a program accesses a page which is not present in main memory
Show me the answer
Answer: 4. Page fault occurs when a program accesses a page which is not present in main memory
Explanation:
A page fault occurs when a program tries to access a page that is not currently in the main memory, requiring the operating system to load it from secondary storage.
549. What does DRAM stand for?
Dynamic Read Access Memory
Digital Random-Access Memory
Dynamic Random-Access Memory
Dynamic Read Allocation Memory
Show me the answer
Answer: 3. Dynamic Random-Access Memory
Explanation:
DRAM (Dynamic Random-Access Memory) is a type of volatile memory that stores each bit of data in a separate capacitor within an integrated circuit.
550. Which of the following is known as the step by step procedure to solve a problem?
Graph
Table
Algorithm
None of the above
Show me the answer
Answer: 3. Algorithm
Explanation:
An algorithm is a step-by-step procedure or set of rules to solve a problem or perform a computation.
