349. Linux 璺 볺 DHCP DNS
.ifconfig . ping. ipconfigD. tracert 350. Windows,
. ARP . tcpdump. tracerouteD.tracert
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401. A computer is an device.
A. electric B. electronic C. chemical D. mechanical
402. operations involve performing different calculations.
A. Input B. Output C. ArithmeticD. Logical
403. Inputallow information to be entered into a computer.
A. devices B. data C. operations D. programs
404. Instructions are stored in the ownunit.
A. device B. memory C. computer D. program
405. Arithmetic operations involve performing addition andcalculations.
A. information B. multiplication C. devices D. program
406. Input operations allow data to beinto the computer for processing.
A. stored B. entered C. performed D. operated
, :
407. chooses the instructions necessary to process the data
A. The shop-assistant B. The programmer
C. The printer D. The keyboard
408. Every computer instruction must be executed
A. at high speed B. by special operations
C. in the correct sequenceD. in modern conditions
409. A computer program can be stored
A. on an auxiliary storagedevice B. on the keyboard
C. on the screen D. in the printed report
410. A group of instructions is called
A. a computer program B. the input unit
C. the output unit D. a hard-disk
411. is one of the output units.
A. The printer...B. The keyboard C. The processor D. The flash drive
412. When using the keyboard the operator enters
A. the output data B. a flash drive
C. the input data D. colour graphics
:
413. What computer unit is presented by a flash drive?
A. the processor B. the input unit
C. the output unit D. the auxiliary storage unit
414. What operations allow the computer to show the output?
A. Arithmetic operations B. Input operations
C. Output operations D. Logical operations
415. What computer unit is presented by a keyboard?
A. the processor B. the input unit
C. the output unit D. the storage unit
416. What performing do logical operations involve?
A. comparing dataB. performing different calculations
C. processing dataD. controlling operations
417. What computer unit is presented by a printer?
A. the processor B. the input unit
C. the output unit D. the storage unit
418. What operations allow the computer to compare data?
A. Arithmetic operations B. Input operations
C. Output operations D. Logical operations
:
419. The program is entered into main memory of the computer.
A. '
B. '
C. '
D. '
420. The text information is entered by means of the keyboard input device.
A.
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421. The programmer writes the instructions in the proper sequence.
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422. A computer programmer must determine instructionsnecessaryfor future calculations.
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423. Every computer instruction of the program must be executed in the correct sequence.
A.
B.
C.
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424. A group of computer programs is usually called computer software.
A.
B.
C.
D.
:
425. .
A. Arithmetic operations dont provide performing calculations.
B. Arithmetic operations provide performing different calculations.
C. Logical operations provide performing calculations.
D. Arithmetic operations provide performing calculations.
426. .
A. Logical operations allow the computer to compare data.
B. Logical operations allow the computer to determine values.
C. Logical operations always allow the computer to compare data.
D. Logical operations allow the computer to compare numbers.
427. .
A. The computer operates under the control of computer users.
B. The computer does its work under the control of operational system.
C. The computer operates under the control ofoperational system.
D. The computer usually operates under the control ofoperational system.
428. .
A. The computer program includes a number of instructions.
B. The computer program contains a number of instructions.
C. The computer program consists of a number of instructions.
D. The computer program is composed of a number of instructions.
429. .
A. Input operations allow information to be taken from the computer.
B. Output operations allow information to be entered into the computer.
C. Input operations allow information to be entered into the computer.
D. Input operations allow information to be entered into every computer.
430. .
A. Arithmetic operations compare data and determine values.
B. Logical operations determine the correlation ofvalues and compare data.
C. Logical operations compare data and determine the correlation of values.
D. Logical operations compare data and perform operations.
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