Computer Science Paper –I Fundamentals of Computer & Computer Organization and Architecture - Question 1 Multiple Choice Part 01
Computer Science Paper –I Fundamentals of Computer & Computer Organization and Architecture - 4 marks Questions Part 02
Computer Science Paper –I Fundamentals of Computer & Computer Organization and Architecture - Application software. Part 03
Computer Science Paper –I Fundamentals of Computer & Computer Organization and Architecture - 6 Marks Questions Part 04
Computer Science Paper –I Fundamentals of Computer & Computer Organization and Architecture - Draw logic diagram for following Boolean expression Part 05
Computer Science Paper –I Fundamentals of Computer & Computer Organization and Architecture - Question 2 Answer in One Line Part 06
This logical expression
188) Y=A+B is of _________ gate.
189) Y=A.B is of _________ gate.
190) Y=A is of _________ gate.
191) Y=A+B is of _________ gate.
192) Y=A.B is of _________ gate.
193) Y=A.B+A.B is of _________ gate.
Options: i) OR ii) AND iii) NAND iv) NOR v) Ex-OR vi) NOT
194) _________ gate is also called as inverter….NOT
195) _________ & _________ gate are universal building block.
i) NAND & NOR II) AND & OR iii) EXOR & OR iv) AND & NAND
196. The two input OR gate will always give the output zero when :
a.both the inputs are 1. b. both inputs are zero c. any one input 1 d. any one 0
197. A NOR gate is OFF when …
a.all its input are ON b. all its input are OFF c. either of its input is OFF d. a and c
198. What is the main function of NOT gate a.It has no effect b. It act as Universal gate c. to invert an output signal d. None.
199. In this adder, the bits of the operand are added one after another : a.Half adder b. Half Duplex c. Serial adder d. Parallel adder
200. The NOT symbol at the output of an OR gate :
a. Converts it into AND gate b. Converts it into NAND gate c. Converts it into XOR gate d. Converts it into NOR gate
201. This gate transmits 1 through it, only if neither of its terminals receives a pulse . What is its name?
a. NOR b. NOT c. AND d. OR
202. Pictorial representation of Boolean algebra is known as
a. Venn Diagram b. Flow Chart c. Data Flow Diagram d. Truth Table.
203. The three logical operations , which are said to be logically complete, as any Boolean function may be realized using these three operations are :
a. AND,OR and NOT b. AND,OR and XOR c. AND,OR and NAND d. XOR,NOR,and NAND.
204.A full adder : a.adds 2 bits fed to it b. adds 3 bits fed to it c. adds 2 bits fed to it and produces sum
and carry bit d. adds 3 bits fed to it and produces sum and carry bit
205.When an input signal 110010 is applied to a NOT gate, it generates the output:
a. 110010 b. 001110 c. 001101 d.111111
206.Boolean algebra invented by – Scientist - George Bool
207.Boolean algebra can be used for - Simplifying the design of logic circuit
208.Binary 1 represents - HIGH Level
209.Binary 0 represents - LOW Level
210.Define OR Laws of Boolean algebra - A+1=1, A+0=A, A+A=A, A+A=1
211.Define AND Laws of Boolean algebra. - A.1=A, A.0=0, A.A=A, A+A=0
212.Define Commutative Laws of Boolean algebra. - A+B=B+A A.B=B.A
213.Define NOT Laws of Boolean algebra
214. Define Associative Laws of Boolean algebra. - A+(B+C)=(A+B)+C , A-(B-C)=(A-B)-C
215. Define Distributive Laws of Boolean algebra. - A+BC=(A+B)(A+C) ,A.(B+C)=A.B+A.C
216. Define Absorption Laws of Boolean algebra. - A+AB=A , A(A+B)=A+B ,A+AB=A+B
217. Arithmetic rules for binary Addition - 0+0=0, 0+1=1, 1+0=1, 1+1=0
218. Arithmetic rules for binary Subtraction - 0-0=0, 0-1=1, 1-0=0, 1-1=0
219. What is 1’s complement?
220. What is 2’s complement?
221. Symbol of Half Adder?
222. Symbol of Full Adder?
223. ……. Is the name of the logic circuit which can add two binary digits. a. Buffer b.RAM c. Half Adder d. Full Addrer
224. An AND gate :
a. is used to implement logic addition b. is same as parallel switching ckt. c. is same as serial switching ckt. d. None
225) Output Of Digital Circuit- input
226) Device or Circuit whose output will remain unchanged once set
1)FilpFlop
2)gate
3)Boolean Algebra
227) FilpFlop is
1)Unstable 2)Prestable
228) Symbol of RS FilpFlop
229) -------------- is the process of transmit a large number of information over a single Line.
230) --------------is also called data selector.
231) What is Multiplexer..
232)Multiplexer means many to one
233)Demultiplexer means one to many
234)Draw symbol of Multiplexer..
235)What Is data selector
236) What is Demultiplexer..
237) Draw symbol Demultiplexer
238)What is Encoder
239) What is application of Encoder
240)Taking information from one input and transmit the same over one of several called Demultiplexer.
241)The main feature of integrated circuit is :
a. its complicated circuit b. Its cost , which is very high
c.Its size, it is fabricated on small square or rectangle shape silicon chip.
d. It cannot be reapaired
242. Why registers are used?
243. Why memory is used?
244. What is Word.
245. What is function of Read / write signal in memory.
246. What is MBR.
247. What is address of word.
248. Where address of word is stored.
249. What is destructive memory cell. With example.
250. What is non-destructive memory cell, with example.
251. Define Access time of memory
252. Define Write time of memory
253. Define Memory cycle time of memory
254. Define Cycle time of memory
255. The semiconductor memory cell is an ----- R-S Flip flop.
I] Unclocked ii] Clocked iii] Edge triggered iv] None
256. The semiconductor memory cell is fabricated with -----
I] Register ii] Capacitor iii] Transistor iv] None
257. …… Technology is used in fabrication of main memory
I] Bipolar ii] TTL gates iii] MOS Technology iv] None
258. Static MOS cell stores information -----
I] Indefinitely as long as power applied.
Ii] For short time, must be refreshed.
Iii] None
Iv]
259. Dynamic Memory cell uses ………
I] TTL gate ii] Charged Capacitor iii] Register iv] None
260. Which memory cell requires external circuitry
I] Static ii] Dynamic iii] Ram iv] ROM
261. SMAC mean ------
262. SMAC is ---
I] Personnel Computer ii] Computer for Simulation
Iii] Hypothetical Computer iv] None
263. ……… hold address of word in memory
a] MAR b] MDR c] MBR d] MVB
264. …….. hods data of word in memory.
a] MAR b] MDR c] MBR d] MVB
265. What is MBR.
266. Reading from and writing into memory id signaled by
A] Read/Write signal b] So & S1 c] ALE d] None
267. Read/Write signal is sent by……….
A] CPU b] ALU c] Computer d] NOne
268. If the memory location is to be read CPU places address in ……..
a] MAR b] MDR c] MBR d] MVB
269. If the datum is to be written into memory then CPU places it in …..
a] MAR b] MDR c] MBR d] MVB
270. General Purpose register built with ………
a] TTL b] High Speed buffers c] Logic gates d] DGA
271. Explain instruction format of SMAC.
272. Negative numbers are stored in……
A] Binary form b] 1’s Complement c] 2’s Complement d] None
273. What is function of Multiplier Quotient register.
274. What is function of status register.
275. What is function of carry bit.
276. What is function of Overflow bit.
277. What is function of Zero bit.
278. What is function of Negative bit.
279. What is function of Positive bit.
280. Explain format of status register.
282. IC stands for : Integrated Circuits
283. SSI means : Small scale integration.
284. MSI : Medium scale Integration.
285. LSI : large scale Integration.
286. VLSI : Very large scale integration.
287. SLSI : Super large scale integration.
288. First 4 bit microprocessor was designed by : Intel.
289. Which is first 4 bit microprocessor : Intel 4004
290. Which is first 4 bit microprocessor : Intel 8008
291. Which are the microprocessors designed in first generation : Intel 4040 ,Toshiba 3472
292. Which are the microprocessors designed in second generation : Intel 8048,
293. Which are the microprocessors designed in Third generation : Intel 8086,
294. Which are the microprocessors designed in Fourth generation :
295. What is System bus?
296. What is data bus?
297. What is address bus?
298. ALU stands for :…
299. LED : Light Emitting diode
300. CRT : Cathode ray tube
301. Why registers are used in microprocessors.
302. Enlist several registers used in microprocessor.
303. Bi-direction bus is :
304. Uni-Directional bus are :
305. How many address lines in 8085 microprocessor.
306. What is function of Instruction register.
307. What is function of Instruction decoder.
308. What is function of accumulator.
309. Status register is also called as ….Flags
310. What are Function of status register.
311. What is function of Program Counter.
312. What is function of Stack Pointer.
313. What is function of Temporary register.
314. What is HLDA ? Explain Function.
315. What is HOLD ? Explain Function.
316. What is SID ? Explain Function.
317. What is SOD ? Explain Function.
318. What is ALE ? Explain Function.
319. What is IO/M ? Explain Function.
320. What is Vcc ? Explain Function.
321. What is Vss ? Explain Function.
322. What is RD ? Explain Function.
323. What is WR ? Explain Function.
324. What is S0 & S1 ? Explain Function.
325. What is x1-x2 ? Explain Function.
326. What is INTR ? Explain Function.
327. What is INTA ? Explain Function.
328. CR stands for …i. Control Register ii. Control Room iii. Carriage return iv. None
329. Microprocessor was invented by :
a. Charles Babbage b. Grahm bell c. Marcian E Huff d. Bill gates
330. Mnemonics are used in
a. High level language b. Middle level language c. Assembly level language d.Machine level lang.
331. The program written in any particular computer language is known as :
a. Source code b. Object code c. Intermediate code d. Assembly code
332. The language which is readily understood by the computer system is :
a. Low level b. Assembly c. Middle level d. High level e. None
334. BCD stands for …..
335. Decimal Number system contains digits…….
336. Decimal position values has power ……
337. Binary position values has power ….
338. Binary number system contains digits……
339. Octal position values has power ….
340. Octal number system contains digits……
341. Hexadecimal position values has power ….
342. Hexadecimal number system contains digits……
Computer Science Paper –I Fundamentals of Computer & Computer Organization and Architecture - 4 marks Questions Part 02
Computer Science Paper –I Fundamentals of Computer & Computer Organization and Architecture - Application software. Part 03
Computer Science Paper –I Fundamentals of Computer & Computer Organization and Architecture - 6 Marks Questions Part 04
Computer Science Paper –I Fundamentals of Computer & Computer Organization and Architecture - Draw logic diagram for following Boolean expression Part 05
Computer Science Paper –I Fundamentals of Computer & Computer Organization and Architecture - Question 2 Answer in One Line Part 06
This logical expression
188) Y=A+B is of _________ gate.
189) Y=A.B is of _________ gate.
190) Y=A is of _________ gate.
191) Y=A+B is of _________ gate.
192) Y=A.B is of _________ gate.
193) Y=A.B+A.B is of _________ gate.
Options: i) OR ii) AND iii) NAND iv) NOR v) Ex-OR vi) NOT
194) _________ gate is also called as inverter….NOT
195) _________ & _________ gate are universal building block.
i) NAND & NOR II) AND & OR iii) EXOR & OR iv) AND & NAND
196. The two input OR gate will always give the output zero when :
a.both the inputs are 1. b. both inputs are zero c. any one input 1 d. any one 0
197. A NOR gate is OFF when …
a.all its input are ON b. all its input are OFF c. either of its input is OFF d. a and c
198. What is the main function of NOT gate a.It has no effect b. It act as Universal gate c. to invert an output signal d. None.
199. In this adder, the bits of the operand are added one after another : a.Half adder b. Half Duplex c. Serial adder d. Parallel adder
200. The NOT symbol at the output of an OR gate :
a. Converts it into AND gate b. Converts it into NAND gate c. Converts it into XOR gate d. Converts it into NOR gate
201. This gate transmits 1 through it, only if neither of its terminals receives a pulse . What is its name?
a. NOR b. NOT c. AND d. OR
202. Pictorial representation of Boolean algebra is known as
a. Venn Diagram b. Flow Chart c. Data Flow Diagram d. Truth Table.
203. The three logical operations , which are said to be logically complete, as any Boolean function may be realized using these three operations are :
a. AND,OR and NOT b. AND,OR and XOR c. AND,OR and NAND d. XOR,NOR,and NAND.
204.A full adder : a.adds 2 bits fed to it b. adds 3 bits fed to it c. adds 2 bits fed to it and produces sum
and carry bit d. adds 3 bits fed to it and produces sum and carry bit
205.When an input signal 110010 is applied to a NOT gate, it generates the output:
a. 110010 b. 001110 c. 001101 d.111111
206.Boolean algebra invented by – Scientist - George Bool
207.Boolean algebra can be used for - Simplifying the design of logic circuit
208.Binary 1 represents - HIGH Level
209.Binary 0 represents - LOW Level
210.Define OR Laws of Boolean algebra - A+1=1, A+0=A, A+A=A, A+A=1
211.Define AND Laws of Boolean algebra. - A.1=A, A.0=0, A.A=A, A+A=0
212.Define Commutative Laws of Boolean algebra. - A+B=B+A A.B=B.A
213.Define NOT Laws of Boolean algebra
214. Define Associative Laws of Boolean algebra. - A+(B+C)=(A+B)+C , A-(B-C)=(A-B)-C
215. Define Distributive Laws of Boolean algebra. - A+BC=(A+B)(A+C) ,A.(B+C)=A.B+A.C
216. Define Absorption Laws of Boolean algebra. - A+AB=A , A(A+B)=A+B ,A+AB=A+B
217. Arithmetic rules for binary Addition - 0+0=0, 0+1=1, 1+0=1, 1+1=0
218. Arithmetic rules for binary Subtraction - 0-0=0, 0-1=1, 1-0=0, 1-1=0
219. What is 1’s complement?
220. What is 2’s complement?
221. Symbol of Half Adder?
222. Symbol of Full Adder?
223. ……. Is the name of the logic circuit which can add two binary digits. a. Buffer b.RAM c. Half Adder d. Full Addrer
224. An AND gate :
a. is used to implement logic addition b. is same as parallel switching ckt. c. is same as serial switching ckt. d. None
225) Output Of Digital Circuit- input
226) Device or Circuit whose output will remain unchanged once set
1)FilpFlop
2)gate
3)Boolean Algebra
227) FilpFlop is
1)Unstable 2)Prestable
228) Symbol of RS FilpFlop
229) -------------- is the process of transmit a large number of information over a single Line.
230) --------------is also called data selector.
231) What is Multiplexer..
232)Multiplexer means many to one
233)Demultiplexer means one to many
234)Draw symbol of Multiplexer..
235)What Is data selector
236) What is Demultiplexer..
237) Draw symbol Demultiplexer
238)What is Encoder
239) What is application of Encoder
240)Taking information from one input and transmit the same over one of several called Demultiplexer.
241)The main feature of integrated circuit is :
a. its complicated circuit b. Its cost , which is very high
c.Its size, it is fabricated on small square or rectangle shape silicon chip.
d. It cannot be reapaired
242. Why registers are used?
243. Why memory is used?
244. What is Word.
245. What is function of Read / write signal in memory.
246. What is MBR.
247. What is address of word.
248. Where address of word is stored.
249. What is destructive memory cell. With example.
250. What is non-destructive memory cell, with example.
251. Define Access time of memory
252. Define Write time of memory
253. Define Memory cycle time of memory
254. Define Cycle time of memory
255. The semiconductor memory cell is an ----- R-S Flip flop.
I] Unclocked ii] Clocked iii] Edge triggered iv] None
256. The semiconductor memory cell is fabricated with -----
I] Register ii] Capacitor iii] Transistor iv] None
257. …… Technology is used in fabrication of main memory
I] Bipolar ii] TTL gates iii] MOS Technology iv] None
258. Static MOS cell stores information -----
I] Indefinitely as long as power applied.
Ii] For short time, must be refreshed.
Iii] None
Iv]
259. Dynamic Memory cell uses ………
I] TTL gate ii] Charged Capacitor iii] Register iv] None
260. Which memory cell requires external circuitry
I] Static ii] Dynamic iii] Ram iv] ROM
261. SMAC mean ------
262. SMAC is ---
I] Personnel Computer ii] Computer for Simulation
Iii] Hypothetical Computer iv] None
263. ……… hold address of word in memory
a] MAR b] MDR c] MBR d] MVB
264. …….. hods data of word in memory.
a] MAR b] MDR c] MBR d] MVB
265. What is MBR.
266. Reading from and writing into memory id signaled by
A] Read/Write signal b] So & S1 c] ALE d] None
267. Read/Write signal is sent by……….
A] CPU b] ALU c] Computer d] NOne
268. If the memory location is to be read CPU places address in ……..
a] MAR b] MDR c] MBR d] MVB
269. If the datum is to be written into memory then CPU places it in …..
a] MAR b] MDR c] MBR d] MVB
270. General Purpose register built with ………
a] TTL b] High Speed buffers c] Logic gates d] DGA
271. Explain instruction format of SMAC.
272. Negative numbers are stored in……
A] Binary form b] 1’s Complement c] 2’s Complement d] None
273. What is function of Multiplier Quotient register.
274. What is function of status register.
275. What is function of carry bit.
276. What is function of Overflow bit.
277. What is function of Zero bit.
278. What is function of Negative bit.
279. What is function of Positive bit.
280. Explain format of status register.
282. IC stands for : Integrated Circuits
283. SSI means : Small scale integration.
284. MSI : Medium scale Integration.
285. LSI : large scale Integration.
286. VLSI : Very large scale integration.
287. SLSI : Super large scale integration.
288. First 4 bit microprocessor was designed by : Intel.
289. Which is first 4 bit microprocessor : Intel 4004
290. Which is first 4 bit microprocessor : Intel 8008
291. Which are the microprocessors designed in first generation : Intel 4040 ,Toshiba 3472
292. Which are the microprocessors designed in second generation : Intel 8048,
293. Which are the microprocessors designed in Third generation : Intel 8086,
294. Which are the microprocessors designed in Fourth generation :
295. What is System bus?
296. What is data bus?
297. What is address bus?
298. ALU stands for :…
299. LED : Light Emitting diode
300. CRT : Cathode ray tube
301. Why registers are used in microprocessors.
302. Enlist several registers used in microprocessor.
303. Bi-direction bus is :
304. Uni-Directional bus are :
305. How many address lines in 8085 microprocessor.
306. What is function of Instruction register.
307. What is function of Instruction decoder.
308. What is function of accumulator.
309. Status register is also called as ….Flags
310. What are Function of status register.
311. What is function of Program Counter.
312. What is function of Stack Pointer.
313. What is function of Temporary register.
314. What is HLDA ? Explain Function.
315. What is HOLD ? Explain Function.
316. What is SID ? Explain Function.
317. What is SOD ? Explain Function.
318. What is ALE ? Explain Function.
319. What is IO/M ? Explain Function.
320. What is Vcc ? Explain Function.
321. What is Vss ? Explain Function.
322. What is RD ? Explain Function.
323. What is WR ? Explain Function.
324. What is S0 & S1 ? Explain Function.
325. What is x1-x2 ? Explain Function.
326. What is INTR ? Explain Function.
327. What is INTA ? Explain Function.
328. CR stands for …i. Control Register ii. Control Room iii. Carriage return iv. None
329. Microprocessor was invented by :
a. Charles Babbage b. Grahm bell c. Marcian E Huff d. Bill gates
330. Mnemonics are used in
a. High level language b. Middle level language c. Assembly level language d.Machine level lang.
331. The program written in any particular computer language is known as :
a. Source code b. Object code c. Intermediate code d. Assembly code
332. The language which is readily understood by the computer system is :
a. Low level b. Assembly c. Middle level d. High level e. None
334. BCD stands for …..
335. Decimal Number system contains digits…….
336. Decimal position values has power ……
337. Binary position values has power ….
338. Binary number system contains digits……
339. Octal position values has power ….
340. Octal number system contains digits……
341. Hexadecimal position values has power ….
342. Hexadecimal number system contains digits……
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