GAT Subject Computer Science Online MCQs With Answers

image
image
image

GAT Subject Computer Science Online MCQs

Sr. # Questions Answers Choice
1 Step - by-step instructions that run the computer are. Hardware Documents Program CPU
2 A bootstrap is. A memory device A device to support the computer. A small initialization program to start up a computer An error correction technique.
3 A computer can be defined as an electronic device that can that most precise definition. Carry out logical functions. Carry out arithmetical operations Accept and process data using a set of stored instructions. Present information on a VDU
4 The term"time slicing"need not apply to. On line transacting processing. Batch processing Real time processing None of above
5 At the beginning of the instruction cycle, the contents of the instruction Register specify. Operand for the instruction being executed. Instruction itself Operand for the instruction to be executed next None of the above
6 Which of the following will happen when data is entered into a memory location? It will change the address of the memory location . It will add to the content of the location , It will erase the previous content. It will not be fruitful if there is already some data in that locatioon.
7 Pick out the WRONG statement Information stored in RAM can be changed by over writing it. Information stored in ROM can not be changed by over writing it. Information Can be stored in any location of RAM Computer main memory can be accessed only sequentially
8 During E-time the ALUThe heard of a digital computer is. Control unit Memory unit Logic unit Visual display unit
9 The process of executing several programs simultaneously by the use of more than one processing unit is called. Multiprogramming Time sharing Multiprocessing Batch processing
10 The following register keeps track of the program during Execution. Address register Program counter Data register Accumulator
11 Which is not associated with the main memory of computer. Semiconductor memory Core memroy Read only memory Sequential memory
12 The operation of arithmetic logic unit is directed by. the ALU Itself Program Control Unit Memory unit
13 The different memory locations are identified by hexadecimal numbers called. ASCII code Bytes BCD Numbers Addresses
14 Each location in primary storage is assigned a unique. Data field Name Address
15 Which of the following is an example of volatile memory? PROM RAM ROM HARD DISK
16 The term word in computer terminology refers to. bits formed into groups Coded instructions Memory size Language used
17 A bus line consists of Registers Accumulators Parallel data paths Machinie cycles
18 Memory is devided into many numerically addressed. Logic Location Codes cell
19 Information travels between components of a computer through groups of wire called. Cards Busses Slots Ports
20 The clock speed of a computer is measured in. Megahertz Kilobytes Megabytes Binary digits
21 Memory capacity may be expresed in . Microseconds Kilobytes Bits Cycles
22 Another name for a logic chip is. PROM ROM Memory Microprocessor
23 Computer operation s are synchronized by The CPU clock Megabytes The binary system E-time
24 The unit that transforms data into information is the CPU ROM DVD OCR
25 The heart of a digital computer is. Control unit Memory unit Logic unit Visual display unit
26 During E-time the ALU Examines the instruction Enters the instruction Executes the instruction Elicits the instruction
27 The entire computer system is coordinated by. The ALU The accumulator The control unit Arithmetic operators
28 The CPU Comprises of. Memory, VDU, and printer Input device, output device, and memory Store, arithmetic and logic unit, and control unit Software, hardware, and power supply unit.
29 A CPU has Control unity consisting of program counter and instruction decoder, and arithmetic unit haivng accumulator. Bubble memory Visual display unit Auxiliary storage unit.
30 Which one of the following statements is NOT Correct? An interface allows two devices to interact with each other. Console is that part of the computer used to control its operations manually Peripheral is a device not controlled by the CPU Channel is a path to carry information from CPU to peripheral and vice versa
31 To make a personal computer act like a terminal, which type of software must be used? fax videoconferencing bridge emulation
32 Software to peruse the internet: gate way EFT Browser Teleconferencing
33 Graphics and other paperwork can be transmitted directly using which technology? CSMA/CD token passing face smile Bulletin board
34 Microwave transmission, coaxial cables, and fiber optics are examples of. modems communication links gateways ring network
35 The signals produced by a computer or terminal to be sent over phone lines must be converted to. modems analog signals digital signals microwaves
36 The types of modulation that changes the height of the signal is called. frequency phase amplitude Prophase
37 A network type in which all computers have equal status. Communication links peer to peer WAN direct connect
38 A connection for similar networks. Satellite gateway bridge fax
39 One or more computers connected to a hub computer is a. Ring network node Star network Information utility
40 A computer based system in which a telephone message is recorded in digital form and then forwarded to other is. A teleconferencing Voice mail A bulletin board Telecommuting
41 The arrangement in which most of the processing is done by the server. Simplex transmission Electronic data interchange File server Client/Server
42 Terminal is a: Device to give power supply to computer Point at which data centers or leaves the computer. The last instruction in a program Any input/output device
43 The device used with satellite transmission that ensures that strong outgoing signals do not interface with weak incoming signals is called. Microwave Transponder Cable Modem
44 When all hardware, sofware, storage, and processing is housed in one location it is called. A time sharing system Centralized processing A DDP system A host computer system.
45 Centralized processing but with access from terminals is known as. DDP A ring network Telecommuting A teleprocessing system.
46 Electronic banking. Token ring Mosale EFT BBS
47 Communication circuits tht transmit data in both directions but not at the same time are operating in Simplex mode Half Duplex mode Full Duplex mode None of above
48 The process of converting from analog to digital is called. Modulation Line switching Telecommuting Demodulation
49 How many pairs of computers can simultaneously communicate on Ethernet LAN? 1 2 3 Multiple
50 FDDI is a. Ring network Star network Mes network bus network
51 Logical security for on line systems is achieved primarily by_ and authorization codes. MIS Passwords Tactical None of the abvoe
52 What does the acronym ISDN stand for? International Services Data Network Intelligent Services Digital Data Network Integrated Services Digital Data Network Interactive Services Digital Data Network
53 Who Invented the modem? IBM DEC AT & T information system, USA Apple computers Inc.
54 A driver is. Hardware A peripheral device A card Software
55 Now a day computers all over the world can talk to each other which is one of the special accessories essential for this purpose? Fax card Modem Card Network adapter card DVD
56 Cabling on a linear bus topology can be extended using which of the following. Terminator Barrel connector Network adapter card Medium attachement unit
57 Which of the following topologies is passive? Star topology Ring topology Bus topology Hybrid topology
58 Which of the following does not provide a graphical user interface. OS/2 MS-DOS Macintosh Windows NT work station
59 A device that connects multiple nodes to the network is. A modem A repeater A router A hub
60 Which of the following is not a category of network problems. Newsgroup problems Physical problems Electrical problems Viruses
61 The Media Access Control sublayer resides in which OSI layer? Physical Data link Net work Transport
62 What enables a computer to work with a printer? Protocols Drivers Packet processor HCL
63 Which of the following access methods listens to the cable for network traffic before sending data? Token passing Polling CSMA/CA CSMA/CD
64 What layer of the OSI model does data compression? Network Data Link Presentation Physical
65 Project 802 defines standards for which layers of the OSI model? Application and Presentation layers. Physical and date link layers. Transport and Network layers. Network and Data Link layers.
66 A network of geographically distant computers and terminals is called a. bus WAN Gate way LAN
67 A LAN is a combination of. Network adapter cards LAN Cables LAN Application software All of above
68 People on a LAN can share. Printer CD/ROM disk drive Modem All of above
69 The transfer of encoded information from one location to another by a communication channel is called. Data processing Data distribution Data communication Data encryption
70 the general purpose processor on chip is otherwise known as the . ENIAC Microprocessor Pocket calculator Microprocessor
Download This Set
×