Description : .In an 8085 based system, the maximum number of input output devices can be connectedusing I/0 mapped I/O method isa) 64 b) 512 c) 256 d) 65536
Last Answer : b) 512
Description : A 16 bit address bus can generate___ addresses: a. 32767 b. 25652 c. 65536 d. none of these
Last Answer : c. 65536
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 : The number of addresses in a class A block is _______. A) 65,534 B) 16,777,216 C) 256 D) none of the above
Last Answer : 16,777,216
Description : The number of addresses in a class B block is _______. A) 65,536 B) 16,777,216 C) 256 D) none of the above
Last Answer : 65,536
Description : The number of addresses in a class C block is _______. A) 65,534 B) 16,777,216 C) 256 D) none of the above
Last Answer : 256
Description : 8086 microprocessor is interfaced to 8253 a programmable interval timer. The maximum number by which the clock frequency on one of the timers is divided by a) 216 b) 28 c) 210 d) 220
Last Answer : d) 220
Description : How many address lines in a 4096 x 8 EPROM CHIP?
Last Answer : 12 address lines.
Description : Which number system is commonly used as a shortcut notation for groups of four binary digits? a. Binary b. Decimal c. Octal d. Hexadecimal
Last Answer : d. Hexadecimal
Description : The memory unit is made up of _____ bytes. a) 256 b) 124 c) 4096 d) 3096
Last Answer : Answer: c Explanation: The memory unit is made up of 4,096 bytes. Memory unit is responsible for the storage of data. It is an important entity in the computer system
Description : The midrange frequency range of sound is from A. 256 to 2048 Hz B. 2048 to 4096 Hz C. 512 to 2048 Hz D. 16 to 64 Hz
Last Answer : A. 256 to 2048 Hz
Description : A virtual memory has a page size of 1K words. There are eight pages and four blocks. The associative memory page table contains the following entries: Which of the following list of virtual addresses (in ... 1234, 4012, 5000, 6200 (C) 1020, 3012, 6120, 8100 (D) 2021, 4050, 5112, 7100
Last Answer : Answer: C Explanation: The pages which are not in main memory are: 1020 will not cause page fault (1024-2047) 3012 will not cause page fault (3072-4095) 6120 will not cause page fault (4096-5119) 8100 will not cause page fault (6144-7167)
Description : The dimensions of a rectangular settling tank are: length 24 m, width 6 m and depth 3 m. If 2 hour detention period for tanks is recommended, the rate of flow of sewage per hour, is A. 204 cu.m B. 208 cu.m C. 212 cu.m D. 216 cu.m
Last Answer : ANS: D
Description : 188, 212, 236, ?, 268, 284 a) 260 b) 256 c) 252 d) 248 e) 244
Last Answer : The pattern is 47×4=188, 53×4=212, 59×4=236, 61×4=244, 67×4=268, 71×4=284 47, 53, 59, 61, 69 and 71 are consecutive prime numbers. Answer: e)
Description : Find the value of: 4/(216)to the power -2/3 + 1/(256) to the power -3/4 + 2/(243) to the power -1/5. -Maths 9th
Last Answer : Solution :-
Description : Find the value of : 4/(216) to the power -2/5 + 1/(256) to the power -3/4 + 2/(243) to the power -1/5. -Maths 9th
Description : Find thenumber of addresses in ablock of classless addresses if one of theaddresses is 12.2.2.7/24. A) 32 B) 64 C) 256 D) none of the above
Description : Which of the following statements on DRAM are correct? i) Page mode read operation is faster than RAS read. ii) RAS input remains active during column address strobe. iii) The row and column addresses are strobed into the ... RAS and CAS inputs respectively. a) i & iii b) i & ii c) all d) iii
Last Answer : d) iii
Description : Pentium Pro can address _____ of memory: a. 4 GB b. 128 GB c. 256 GB d. 512 GB
Last Answer : a. 4 GB
Description : A typical personal computer used for business purposes would have… of RAM. a. 4 KB b. 16 K c. 64 K d. 256 K
Last Answer : d. 256 K
Description : EBCDIC can code up to how many different characters? a. 256 b. 16 c. 32 d. 64
Last Answer : a. 256
Description : 8096 has following features fill up the following, i) ____ Register file, ii) ____ I/O Ports iii) ____ architecture. a) 256 byte, five 8bit, register to register b) 256 byte, four 8bit, register ... c) 232 byte, five 8bit, register to register d) 232 byte, six 8 bit, register to register
Last Answer : c) 232 byte, five 8bit, register to register
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 : 8096 has following features fill up the following, i) ____ Register file, ii) ____ I/O Ports iii) ____ architecture. a) 256 byte, five 8bit, register to register b) 256 byte, four 8bit, ... c) 232 byte, five 8bit, register to register d) 232 byte, six 8 bit, register to register
Last Answer : d) 232 byte, six 8 bit, register to register
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 : Answer : B
Description : Why is having a possible 256 characters a problem in binary?
Last Answer : Some writing systems (e.g. Chinese) make use of tens of thousands of characters.There are far more than 256 printable characters that one might want to use in a printed document.The ... associated with the codes). Unfortunately until recently many operating systems did not have full Unicode support.
Description : Which bus carry addresses: a. System bus b. Address bus c. Control bus d. Data bus
Last Answer : b. Address bus
Description : The area of memory with addresses near zero are called: a. High memory b. Mid memory c. Memory d. Low memory
Last Answer : d. Low memory
Description : A set of register which contain are: a. data b. memory addresses c. result d. all of these
Last Answer : d. all of these
Description : Find out the number of ways in which 12 Bangles of different types can be worn in 2 hands? A) 1260 B) 2720 C) 1225 D) 4096
Last Answer : Answer: D) The first bangle can be worn in any of the 2 hands (2 ways). Similarly each of the remaining 11 bangles also can be worn in 2 ways. Hence total number of ways=2×2×2×2×2×2×2×2×2×2×2×2 =2^12 =4096
Description : The sum of 2 numbers is 216, and their HCF is 27. How many such pairs of numbers exist? (A pair a unique set of 2 numbers, so (a, b) and (b, a) will be considered as 1 pair). a) 0 b) 1 c) 2 d) 3 e) 4
Last Answer : Let the numbers be a,b A = 27m, b = 27n where m, n are co-prime 27(m + n) = 216, or m+n = 8 M = 1, n = 7 and m = 3, n = 5 are the only 2 co – prime pairs possible. So we have 2 pairs: (27 , 189) and ( 81, 135) Answer: c)
Description : Factorise : r3/8 - s3/343 - t3/216 - 1/28 rst. -Maths 9th
Description : What is the lastaddress of a blockof classless addresses ifone of the addresses is 12.2.2.127/28? A) 12.2.2.16 B) 12.2.2.112 C) 12.2.2.127 D) none of the above
Last Answer : 12.2.2.127
Description : What is the firstaddressof a block of classless addresses ifone of the addresses is 12.2.2.127/28? A) 12.2.2.0 B) 12.2.2.96 C) 12.2.2.112 D) none of the above
Last Answer : 12.2.2.112
Description : Each model of a computer has a unique a. Assembly of a computer b. Machine language c. High level language d. All of the above
Last Answer : b. Machine language
Description : UNIVAC is a. Universal Automatic Computer b. Universal Array Computer c. Unique Automatic Computer d. Unvalued Automatic Computer
Last Answer : a. Universal Automatic Computer
Description : BCD stands for: a. Binary coded decimal b. Based coded decimal c. Both A and B d. None of these
Last Answer : a. Binary coded decimal
Description : A microprogram written as string of 0's and 1's is a a. symbolic microinstruction b. binary microinstruction c. symbolic microprogram d. binary microprogram
Last Answer : b. binary microinstruction
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 : 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 : Instructions and memory address are represented by a. Character code b. Binary codes c. Binary word d. Parity bit
Last Answer : b. Binary codes
Description : The proper definition of a modern digital computer is a. An electronic automated machine that can solve problems involving words and numbers b. A more sophistic and modified electronic pocket calculator c. Any machine that can perform mathematical operations d. A machine that works on binary code
Last Answer : d. A machine that works on binary code
Description : Binary circuit elements have a. One stable state b. Two stable state c. Three stable state d. None of above
Last Answer : b. Two stable state
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 : 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 : The left side of any binary number is called: a. Least significant digit b. Most significant digit c. Medium significant digit d. low significant digit
Last Answer : b. Most significant digit
Description : BCD stands for: a. Binary coded decimal b. Binary coded decoded c. Both a & b d. none of these
Description : Current SIMMs have either … or … connectors (pins) a. 9 or 32 b. 30 or 70 c. 28 or 72 d. 30 or 72
Last Answer : d. 30 or 72