CEA201 EXAM QUESTIONS AND CORRECT ANSWERS ALREADY PASSED

CEA201 EXAM QUESTIONS AND CORRECT ANSWERS ALREADY PASSED Hardware devices that are not part of the main computer system and are often added later to the system. A. Peripheral B. Clipart C. Highlight D. Execute - Answer-A The device which is used to connect a peripheral to a bus is called A. Control Register B. Interface C. Communication Protocol D. None of the Above - Answer-C The digital information is stored on the hard disk by ____________. A. Applying a suitable electric pulse. B. Applying a suitable magnetic field. C. Applying a suitable nuclear field. D. By using optic waves. - Answer-B The method of placing the heads and the discs in an air tight environment is called as ______. A. RAID Arrays B. ATP tech C. Winchester technology D. Fleming reduction - Answer-A A hard disk with 20 surfaces will have _____ heads. A. 10 B. 5 C. 1 D. 20 - Answer-D The _____ process divides the disk into sectors and tracks. A. Creation B. Initiation C. Formatting D. Modification - Answer-C To distinguish between two sectors we make use of ________. A. Inter sector gap B. Splitting bit C. Numbering bit D. None of the above - Answer-A The set of corresponding tracks on all surfaces of a stack of disks form a ______. A. Cluster B. Cylinder C. Group D. Set - Answer-A _______ is used to deal with the difference in the transfer rates between the drive and the bus. A. Data repeaters B. Enhancers C. Data buffers D. None of the above - Answer-C _______ is used to detect and correct the errors that may occur during data transfers. A. ECC B. CRC C. Checksum D. None of the above - Answer-C Which representation is most efficient to perform arithmetic operations on the numbers? A. Sign-magnitude B. 1's complement C. 2's complement D. None of the above - Answer-C When we perform subtraction on -7 and 1 the answer in 2's complement form is _____ . A. 1010 B. 1110 C. 0110 D. 1000 - Answer-D The processor keeps track of the results of its operations using a flags called _____ . A. Conditional code flags B. Test output flags C. Type flags D. None of the above - Answer-D The register used to store the flags is called as ______ . A. Flag register B. Status register C. Test register D. Log register - Answer-B When 1101 is used to divide the remainder is ______ . A. 101 B. 11 C. 0 D. 1 - Answer-D Addressing mode used in instruction add r1, r2 is A. Indirect B. Base C. Register D. Immediate - Answer-C The CPU of a computer takes instruction from memory and executes them. This process is called A. Load B. Time Sequence C. Execution D. Fetch-Execute Cycle - Answer-D The unit of computer system which executes programs, communicates with and often controls the operation of other subsytems of computer is the A. CPU B. Control Unit C. ALU D. All of the above - Answer-B If 9 bits are used for the representation of a number then what will be the maximum number in signed number range if the numbers are represented in 2's complement A. 255 B. 511 C. 127 D. 256 - Answer-B In immediate addressing the operand is placed A. in the CPU register B. After OP code in the instruction C. in memory D. in stack - Answer-C In which cycle the memory is read and the contents of memory at the address contained in the PC regtister are loaded into into IR. A. Execution Cycle B. Memory Cycle C. Fetch Cycle D. Decode Cycle - Answer-C The range of numbers that can be stored in 8 bit, if negative numbers are stored in 2's complement form is A. -128 to 128 B. -128 to 127 C. -127 to 128 D. -127 to 127 - Answer-B How many address lines are needed to address each memory location in a 2048 X 4 memory chip? A. 10 B. 11 C. 8 D. 12 - Answer-C A processor performing fetch or decoding of different instruction during the execution of another instruction is called ______ . A. Super-scaling B. Pipe-lining C. Parallel Computation D. None of these - Answer-C ______ have been developed specifically for pipelined systems. A. Utility softwares B. Speed up utilities C. Optimizing compilers D. None of the mentioned - Answer-A The fetch and execution cycles are interleaved with the help of ________. A. Modification in processor architecture B. Clock C. Special unit D. Control unit - Answer-D Each stage in pipelining should be completed within ____ cycle. A. 1 B. 2 C. 3 D. 4 - Answer-A