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 : The 16 bit register is separated into groups of 4 bit where each groups is called: a. BCD b. Nibble c. Half byte d. None of these
Last Answer : b. Nibble
Description : A byte addressable computer has a memory capacity of 2 m Kbytes and can perform 2 n operations. An instruction involving 3 operands and one operator needs a maximum of (A) 3m bits (B) m + n bits (C) 3m + n bits (D) 3m + n + 30 bits
Last Answer : (D) 3m + n + 30 bits
Description : The processor 80386/80486 and the Pentium processor uses _____ bits address bus: a. 16 b. 32 c. 36 d. 64
Last Answer : b. 32
Description : A stack pointer is a. a 16-bit register in the microprocessor that indicate the beginning of the stack memory. b. a register that decodes and executes 16-bit arithmetic expression. c. The first memory location where a subroutine address is stored. d. a register in which flag bits are stored
Last Answer : a. a 16-bit register in the microprocessor that indicate the beginning of the stack memory.
Description : If an integer occupies 4 bytes and a character occupies 1 byte of memory, each element of the following structure would occupy how many bytes ? struct name { int age; char name[30]; }; A) 30 B) 32 C) 34 D) 36
Last Answer : C) 34
Description : A nibble is equal to _______ A. 4 bits B. 8 bits C. 16 bits D. 32 bits
Last Answer : A. 4 bits
Description : A nibble is equal to_____ bits. (1) 32 (2) 4 (3) 8 (4) 16
Last Answer : 4
Description : A group of 4 binary bits is called. a. Nibble b. Byte c. Decimal d. Digit
Last Answer : a. Nibble
Description : What type of memory is not directly addressable by the CPU and requires special softw3are called EMS (expanded memory specification)? a. Extended b. Expanded c. Base d. Conventional
Last Answer : b. Expanded
Description : In the international standard ASCII encoding, each character needs 7 bits of storage; however, in an ASCII string one byte (8 bits) is usually used for each character. Explain why this is done?
Last Answer : Welcome to ask-public. I don’t want to do your homework for you, but I will get you started. The extra bit is called a parity bit. If you don’t know what that means, you can do some Web searching to learn more. If you are still stuck, I can explain further.
Description : A collection of 8 bits is called a. byte b. word c. record
Last Answer : a. byte
Description : Sequence of code assigned is called a. A. code word b. B. word c. C. byte d. D. nibble
Last Answer : a. A. code word
Description : The Width of a processor’s data path is measured in bits. Which of the following are common data paths? a. 8 bits b. 12 bits c. 16 bits d. 32 bits
Last Answer : a. 8 bits
Description : A byte consists of a. One bit b. Four bits c. Eight bits d. Sixteen bits
Last Answer : c. Eight bits
Description : ____is used to control the cache with two new control bits not present in the 80386 microprocessor. What are the bits used to control the 8K byte cache? a) CR0, CD, NW b) CR0, NW, PWT c) Control Register Zero, PWT, PCD d) none
Last Answer : d) none
Description : What is the most significant nibble of the ASCII code for the letter X?
Last Answer : Feel Free to Answer
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 : For a memory with a 16-bit address space, the addressability is a. 16 bits b. 8 bits c. 2^16 bits d. Cannot be determined
Last Answer : d. Cannot be determined
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 : A name or number used to identify a storage location devices? a. A byte b. A record c. An address d. All of above
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 : Answer : C
Description : The 8279 normally provides a maximum of _____ seven segment display interface with CPU. a) 8 b) 16 c) 32 d) 18
Last Answer : a) 8
Description : Which of the following memories stores the most number of bits (A) a 5M×8 memory. (B) a 1M × 16 memory. (C) a 5M × 4 memory. (D) a 1M ×12 memory.
Last Answer : Ans: A 5Mx8 = 5 x 220 x 8 = 40M (max)
Description : Which processor provided 1 MB memory: a. 16-bit 8086 and 8088 b. 32-bit 8086 and 8088 c. 64-bit 8086 and 8088 d. 8-bit 8086 and 8088
Last Answer : a. 16-bit 8086 and 8088
Description : A 32-bit address bus allows access to a memory of capacity(a) 64 Mb (b) 16 Mb (c) 1Gb (d) 4 Gb 2.Which processor structure is pipelined? a) all x80 processors b) all x85 processors c) all x86 processors
Last Answer : c) all x86 processors
Description : Which of the following code is used in present day computing was developed by IBM corporation? a. ASCII b. Hollerith Code c. Baudot code d. EBCDIC code
Last Answer : d. EBCDIC code
Description : The most commonly used standard data code to represent alphabetical, numerical and punctuation characters used in electronic data processing system is called a. ASCII b. EBCDIC c. BCD d. All of above
Last Answer : a. ASCII
Description : The computer code for the interchange of information between terminals is a. ASCII b. BCD c. EBCDIC d. All of above
Description : Which of the following code used in present day computing was developed by IBM Corporation? a. ASCII b. Hollerith Code c. Baudot Code d. EBCDIC Code
Last Answer : d. EBCDIC Code
Description : ASCII stands for a. American Stable Code for International Interchange b. American Standard Case for Institutional Interchange c. American Standard Code for Information Interchange d. American Standard Code for Interchange Information
Last Answer : c. American Standard Code for Information Interchange
Description : EBCDIC can code up to how many different characters? a. 256 b. 16 c. 32 d. 64
Last Answer : a. 256
Description : The SP is of ___ wide register. And this may be defined anywhere in the ______. a) 8 byte, on-chip 128 byte RAM. b) 8 bit, on chip 256 byte RAM. c) 16 bit,
Last Answer : a) 8 byte, on-chip 128 byte RAM.
Description : In 8279, the keyboard entries are debounced and stored in an _________, that is further accessed by the CPU to read the key codes. a) 8-bit FIFO b) 8-byte FIFO c) 16 byte FIFO d) 16 bit FIFO
Last Answer : b) 8-byte FIFO
Description : 8096 write-protected mode, no code can write to memory address between __. a) 2020 to 3FFFH b) 8000 to FFFFH c) 2000 to 3FFFH d) 2020 to 202FH 17. If the __ pin is ___ , then we have the option ... b) EA, low, internal, external c) EA, high, external, internal d) EA, low, external, internal
Last Answer : c) EA, high, external, internal
Description : A nibble can be represented in the from of: a. Octal digit b. Decimal c. Hexadecimal d. None of these
Last Answer : c. Hexadecimal
Description : An ICMP message has _____ headerand a variable-size data section. A) a 16-byte B) a 32-byte C) an 8-byte D) noneof the above
Last Answer : an 8-byte
Description : Which of the following memories has the shortest access times? a. Cache memory b. Magnetic bubble memory c. Magnetic core memory d. RAM
Last Answer : a. Cache memory
Description : A nibble is equal to – (1) 32 (2) 4 (3) 8 (4) 16
Last Answer : (2) 4 Explanation: In computing, a nibble is a fourbit aggregation, or half an octet. A nibble contains 4 bits.
Description : A memory unit stores 2^16 bytes in 32-bit words. How many address bits are necessary in order to retrieve a single word from this memory unit?
Last Answer : Each word is 4 bytes, which occupies 4 consecutive addresses at 16 bits each. The first 14 bits of these addresses will be the same, differing only in the two least significant bits. You only need to specify the first 14 bits, because there are only 2^14 words occupying those 2^16 bytes.
Description : The smallest unit of data in computer is ________________ a) Byte b) Nibble c) Bit d) KB
Last Answer : Answer: c Explanation: A bit is defined as the smallest unit of data in a computer system. It is used as a short form of Binary Digit. A bit can have only two values 0 or 1. A nibble comprises of 4 bits, a byte is a collection of 8 bits whereas KB (Kilobyte) is equal to 1024 bytes
Description : Define following : i. Radix ii. Bit iii. Nibble iv. Byte
Last Answer : i. Radix- the base to a given number system is called as radix. ii. Bit- Single ‗1‘ or ‗0‘ is called as a bit. iii. Nibble- a group of 4 bits is called as nibble iv. Byte- a group of 8 bits is called as a byte.
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 : how many address lines are needed to address each machine location in a 2048 x 4 memory chip? a. 10 b. 11 c. 8 d. 12
Description : Each memory location has: a. Address b. Contents c. Both A and B d. None of these
Last Answer : c. Both A and B
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 : In 8086 the overflow flag is set when a) The sum is more than 16 bits b) Signed numbers go out of their range after an arithmetic operation c) Carry and sign flags are set
Last Answer : b) Signed numbers go out of their range after an arithmetic operation
Description : The message in pub/sub is an opaque blob of ________ a) Bits b) Bytes c) Word d) Nibble
Last Answer : Bytes