Dear Aspirants,
Welcome to Online Computer Quiz in Affairscloud.com. Here we are providing sample questions in Computer Fundamentals. It will be useful for all SBI/IBPS/LIC exams and other competitive exams. We have also included some important questions that are repeatedly asked in previous exams.
- An interface that provides I/O transfer of data directly to and form the memory unit and peripheral is termed as________
A. DDA
B. Serial interface
C. Direct Memory Access (DMA)
D. None of the Above
Answer
C. Direct Memory Access (DMA) - A basic instruction that can be interpreted by computer generally has ________
A. An operand and an address
B. decoder and an accumulator
C. Sequence register and decoder
D. None of the Above
Answer
A. An operand and an address - The load instruction is mostly used to designate a transfer from memory to a processor register known as_________
A. Accumulator
B. Instruction Register
C. Program counter
D. Memory address Register
Answer
A. Accumulator - The communication between the components in a microcomputer takes place via the address and ______
A. I/O bus
B. Data bus
C. Address bus
D. None of the Above
Answer
B. Data bus - The operation executed on data stored in registers is called_______
A. Macro-operation
B. Micro-operation
C. Bit-operation
D. None of the Above
Answer
B. Micro-operation - Which register keeps tracks of the instructions in the program stored in memory?
A. Address Register
B. Index Register
C. Program Counter
D. None of the Above
Answer
C. Program Counter - In which addressing mode the operand is given explicitly in the instruction?
A. Absolute
B. Immediate
C. Indirect
D. Direct
Answer
B. Immediate - When necessary, the results are transferred from the CPU to main memory by _______
A. I/O devices.
B. CPU.
C. Shift registers.
D. None of the Above.
Answer
C. Shift registers. - A group of bits that tell the computer to perform a specific operation is known as_______
A. Instruction code
B. Micro-operation
C. Accumulator
D. Register
Answer
A. Instruction code - The average time required to reach a storage location in memory and obtain its contents is called_____.
A. Latency time.
B. Access time.
C. Turnaround time.
D. Response time.
Answer
B. Access time.
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