NAT I Computer Science With Answers

NAT I Computer Science

Sr. # Questions Answers Choice
1 A program that takes as input a high level language and executes instructions one by one is: Interpreter Assembler Compiler Both a and c
2 Which of the following is non-volatile? PROM EPROM EEPROM All of these
3 There are,,,,,,,,,,,,,,main components of the CPU, 4 3 2 20 to 80
4 ---------- is used to store program and data white these are being executed ROM RAM Hard disk CD
5 MICR stands for Magic Ink Character Reader Magic Ink Character Recorder Magnetic Ink Character Reader Magnetic Ink character Reader Magnetic Ink Character Recorder
6 Which of the following is not involved in e-commerce? E-mail Video conferencing Electronic banking None of the above
7 In business computers are used in Marketing Stock exchanges Banks All of the above
8 The reason for using computers is / are that they Work much faster Never get tired Can do the jobs dangerous for human beings to do All of the above
9 Now a days computers are being used in education for Computer aided education Tutorials and drill & practice Testing understanding of students All of the above
10 Computer Aided Manufacturing Brings quality improvements in manufacturing Manufacturing is without human intervention Changes in product design can be easily made All of the above
11 Remak RX 32 three-axis servo robot fits machine up to 100 tons 200 tons 300 tons 400 tons
12 E-commerce involves: Electronic funds transfer Orders management Online marketing All of the above
13 External modems are expensive Have more operational features Offer high transmission speed All of the above
14 A modem Converts analog signals into digital signals Converts  digital signals into analog signals Connects a computer in a LAN Both a and b above
15 All of the following are true of the simplex mode except A sender can only send signals It is the most commonly used communication mode Receiver can only receiver signals
16 Propagation of signals across a communication medium is known as Signaling Transmission Broadcasting Dissemination
17 In data communication the sender is also called Object Source Sink Medium
18 A system in which data can be received and sent simultaneously is called Simplex Half duplex Full-duplex Multi-duplex
19 The cables that consists of tubes of glass through which data are transmitted as pulses of light is Twisted pair Coaxial cable Fiber optic None of the above
20 The fastest mode of data transmission is Simplex Half duplex full-duplex None of the above
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