Description : Instructions and memory address are represented by A) Character code B) Binary codes C) Binary word D) Parity bit
Last Answer : Answer : B
Description : Instructions and memory address are represented by a. Character code b. Binary codes c. Binary word d. Parity bit
Last Answer : Binary codes
Last Answer : b. Binary codes
Description : Computer instructions written with the use of English words instead of binary machine code is called a. Mnemonics b. Symbolic code c. Gray codes d. Opcode
Last Answer : b. Symbolic code
Description : A technique used by codes to convert an analog signal into a digital bit stream is known as a. Pulse code modulation b. Pulse stretcher c. Query processing d. Queue management
Last Answer : a. Pulse code modulation
Description : EBCDIC stands for a. Extended Binary Coded Decimal Interchange Code b. Extended Bit Code Decimal Interchange Code c. Extended Bit Case Decimal Interchange Code d. Extended Binary Case Decimal Interchange Code
Last Answer : a. Extended Binary Coded Decimal Interchange Code
Description : Computer instructions written with the use of English words instead of binary machine code is called A) Mnemonics B) Symbolic code C) Gray codes D) Opcode
Description : The least significant bit of the binary number, which is equivalent to any odd decimal number, is: a. 0 b. 1 c. 1 or 0 d. 3
Last Answer : a. 0
Description : BCD is a. Binary Coded Decimal b. Bit Coded Decimal c. Binary Coded Digit d. Bit Coded Digit
Last Answer : a. Binary Coded Decimal
Description : The processes of starting or restarting a computer system by loading instructions from a secondary storage device into the completer memory is called a. Duping b. Booting c. Padding d. All of above
Last Answer : b. Booting
Description : ……………. are not machine instructions and therefore, Java interpreter generates machine code that can be directly executed by the machine that is running the Java program. A) Compiled Instructions B) Compiled code C) byte code D) Java mid code
Last Answer : C) byte code
Description : Which of the following is used for manufacturing chips? a. Control bus b. Control unit c. Parity unit d. Semiconductor
Last Answer : d. Semiconductor
Description : Given code word 1110001010 is to be transmitted with even parity check bit. The encoded word to be transmitted for this code is (A) 11100010101 (B) 11100010100 (C) 1110001010 (D) 111000101
Last Answer : (A) 11100010101
Description : __is divided into a number of fields and is represented as a sequence of bits: a. instruction b. — instruction set c. instruction code d. parity code
Last Answer : a. instruction
Description : Which type of computers uses the 8-bit code called EBCDIC? a. Minicomputers b. Microcomputers c. Mainframe computer
Last Answer : c. Mainframe computer
Description : The original ASCII code used…bits of each byte, reserving that last bit for error checking a. 5 b. 6 c. 7 d. 8
Last Answer : c. 7
Description : MICR stands for a. Magnetic Ink Character Reader b. Magnetic Ink Code Reader c. Magnetic Ink Cases Reader d. None
Last Answer : a. Magnetic Ink Character Reader
Description : Registers, which are partially visible to users and used to hold conditional, are known as a. PC b. Memory address registers c. General purpose register d. Flags
Last Answer : c. General purpose register
Description : 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
Last Answer : b. 11
Description : Which of the following registers is used to keep track of address of the memory location where the next instruction is located? a. Memory address register b. Memory data register c. Instruction register d. Program counter
Last Answer : d. Program counter
Description : Which of the following registers is loaded with the contents of the memory location pointed by the PC? a. Memory address register b. Memory data register c. Instruction registers d. Program counter
Last Answer : c. Instruction registers
Description : A physical connection between the microprocessor memory and other parts of the m9crocomputer is known as a. Path b. Address bus c. Route d. All of the above
Last Answer : b. Address bus
Description : A memory that is capable of determining whether a given datum is contained in one of its address is a. ROM b. PROM c. CAM d. RAM
Last Answer : c. CAM
Description : A type of core store that has a lower access time than the devices used for working store in the same processor is known as a. Core memory b. Buffer c. Fast core d. Address register
Last Answer : d. Address register
Description : Which of the following will happen when data is entered into a memory location? a. It will add to the content of the location b. It will change the address of the memory location c. It will erase the previous content d. It will not be fruitful if there is already some data at the location
Last Answer : c. It will erase the previous content
Description : ASCII and EBCDIC are the popular character coding systems. What does EBCDIC stand for? A) Extended Binary Coded Decimal Interchange Code B) Extended Bit Code Decimal Interchange Code C) Extended Bit Case Decimal Interchange Code D) Extended Binary Case Decimal Interchange Code
Last Answer : Answer : A
Description : Each check bit is grouped with the information bits as specified by a__ a. Parity check code b. Parity check matrix c. Parity check bit d. All of these
Last Answer : b. Parity check matrix
Description : The digital signals can be represented by: a) Binary Codes b) 0 and 1 c) High and Low d) All of The Above e) None of The Above
Last Answer : d) All of The Above
Description : What will be the hexadecimal value in the register ax (32-bit) after executing the following instructions? Mov al, 15 Mov ah, 15 Xor al, al Mov cl, 3 Shr ax, cl Codes: (A) 0F00 h (B) 0F0F h (C) 01E0 h (D) FFFF h
Last Answer : (C) 01E0 h
Description : A computer program that translates one program instructions at a time into machine language is called a/an a. Interpreter b. CPU c. Compiler d. Simulator
Last Answer : a. Interpreter
Description : In latest generation computers, the instructions are executed a. Parallel only b. Sequentially only c. Both sequentially and parallel d. All of above
Last Answer : c. Both sequentially and parallel
Description : A 32 bit microprocessor has the word length equal to a. 2 byte b. 32 byte c. 4 byte d. 8 byte
Last Answer : c. 4 byte
Description : 3 bit binary numbers can be represented by a. Binary number b. Decimal number Cc. Hexadecimal number d. Octal number
Last Answer : d. Octal number
Description : What is used to identify whether a data word has an odd or even number of 1’s ? (1) Carry bit (2) Sign bit (3) Zero bit (4) Parity bit
Last Answer : Parity bit
Description : Mnemonic refers to. a Instructions b. Code c. Symbolic codes d Assembler
Last Answer : c. Symbolic codes
Description : 170. A character is represented in EBCDIC by: a) One bit b) Four bits c) Eight bits d) None of The Above
Last Answer : c) Eight bits
Description : A character of information is represented by a(n)- 1) Byte 2) Bit 3) Field 4) None of these
Last Answer : 1) Byte
Description : The accuracy of the floating-point numbers representable in two 16-bit words of a computer is approximately a. 16 digits b. 6 digits c. 9 digits d. All of above
Last Answer : d. All of above
Description : A byte consists of a. One bit b. Four bits c. Eight bits d. Sixteen bits
Last Answer : c. Eight bits
Description : has the property that corrupting or garbling a code word will likely produce a bit string that is not a code word: a. Error deleting codes b. Error detecting codes c. Error string codes
Last Answer : b. Error detecting codes
Description : Find out the incorrect feature of Assembly language among following: a) It is also provided by the manufacturer b) One instruction for each computer operation c) Instruction codes are represented by mnemonics ... be assembled into machine language for execution d) All of the Above e) None of These
Last Answer : e) None of These
Description : Codes must be A. agreed upon in advance between sender and receiver B. eight bit per character C. the same in all modern computer D. either seven or eighth bits per character
Last Answer : A. agreed upon in advance between sender and receiver
Description : A DMA controller transfers 32-bit words to memory using cycle Stealing. The words are assembled from a device that transmits characters at a rate of 4800 characters per second. The CPU is fetching and executing instructions at an average ... of the DMA transfer? (A) 0.06% (B) 0.12% (C) 1.2% (D) 2.5%
Last Answer : Answer: B
Description : A name or number used to identify a storage location is called a. A byte b. A record c. An address d. All of above
Last Answer : c. An address
Description : If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be a. 216 b. 65,536 c. 64K d. Any of the above
Last Answer : b. 65,536
Description : Before a disk drive can access any sector record, a computer program has to provide the record’s disk address. What information does this address specify? a. Track number b. Sector number c. Surface number d. All of above
Description : Which are the types of binary codes number: a. Sign magnitude b. —_1’s complement code c. 2’s complement code d. __ Allof these
Last Answer : c. 2’s complement code