1. ______are symbols used to replace or represent one or more characters.

A. Playing cards B. Wildcard C. Private keys D. Public keys E. None of these

2. When your turn on the computer, the boot routine will perform this test ______.

A. RAM test B. Disk drive test C. Memory test D. Power-on self-test E. None of these

3. ‘Handshaking’ in Networking parlance means ____.

A. connecting computers to a hub B. distributed networks C. having same operating system on different computers D. sending e-mail E. receiving e-mails

4. Which device uses a handheld operating system?

A. A Tablet B. A Personal Computer C. a Laptop D. A mainframe E. None of these

5. ______ is the most important/powerful computer in a typical network

A. Desktop B. Network client C. Network server D. Network station E. Network switch

Answers and Explanations
1. Answer - Option B
Explanation -
A wildcard is a symbol used to replace or represent one or more characters.
2. Answer - Option D
Explanation -
A power-on self-test (POST) is a process performed by firmware or software routines immediately after a computer or other digital electronic device is powered on.
3. Answer - Option A
Explanation -
Handshaking is a networking process where two computers establish a connection. Handshaking occurs when packets of data are exchanged between two computers.
Note: Handshaking is the action of exchanging standardized signals between devices in a computer network to regulate the transfer of data.
4. Answer - Option A
Explanation -
A tablet (along with smartphone)is one of the most commonly used handheld devices. It uses handheld OS like Android, iOS, Symbian etc
5. Answer - Option C
Explanation -
Network servers have many functions and can form an important part of your computer network.

1. A repair for a known software bug, usually available at no charge on the internet, is called a(n) ________.

A. version B. patch C. tutorial D. FAQ E. None of these

2. The ability to recover and read deleted or damaged les from a criminal’s computer is an example of a law enforcement specialty called___.

A. robotics B. simulation C. computer forensics D. animation E. None of these

3. Which part of the computer is directly invoked in executing the instructions of the computer program?

A. The scanner B. The main storage C. The secondary storage D. The printer E. The processor

4. Which of the following is the another name for a pre-programmed fomula in Excel?

A. Range B. Graph C. Function D. Cell E. None of these

5. Microprocessors as switching devices are for which generation computers?

A. First Generation B. Second Generation C. Third Generation D. Fourth Generation E. None of these

Answers and Explanations
1. Answer - Option B
Explanation -
A patch is a piece of software designed to update a computer program or its supporting data to fix or improve it.
2. Answer - Option C
Explanation -
Computer forensics is the practice of collecting, analyzing and reporting on digital data in a way that is legally admissible. Note: It can be used in the detection and prevention of crime and in any dispute where evidence is stored digitally.
3. Answer - Option E
Explanation -
A processor is the logic circuitry that responds to and processes the basic instructions that drives a computer. It is directly invoked in executing the instructions of the computer program.
4. Answer - Option C
Explanation -
Functions in Excel are basically pre-programmed, easy-to-use tools that can be called as part of a formula.
Note:- They are easy to use and have many uses that can make the Excel experience far simpler than it is if you don’t know how to use them.
5. Answer - Option D
Explanation -
The first microprocessor called Intel 4004 was developed by American Intel Corporation in 1971. Microprocessors are used in the computers of fourth generation computers. Personal microcomputers were possible due to the microprocessors.
Note:- A microprocessor is an electronic component that is used by a computer to do its work. It is a CPU on a single integrated circuit chip containing millions of very small components including transistors, resistors, and diodes that work together.

1. A button that makes character either upper or lower case and numbers to symbols.

A. Monitor B. Shift key C. Icon D. Mouse E. None of these

2. A computer’s clock speed is measured in____.

A. Gigabytes B. Bits C. Bytes D. Gigahertz E. None of these

3. Primary key is a ______.

A. Common key B. Unique key C. Input key D. Output key E. None of these

4. In a spreadsheet, a _____ is a number you will use in a calculation

A. label B. cell C. Field D. value E. None of these

5. Buffer is device/storage are a

A. Where data are temporarily stored B. Where data is permanently stored C. Where data error occurs D. All of the above E. None of these

Answers and Explanations
1. Answer - Option B
Explanation -
The shift key is a modifier key on a keyboard, used to type capital letters and another alternate "upper" characters. When the caps lock key is engaged, the shift key can be used to type lowercase letters on many operating systems.
2. Answer - Option D
Explanation -
Clock speed is usually measured in MHz (megahertz, or millions of pulses per second) or GHz (gigahertz, or billions of pulses per second).The clock speed is determined by a quartz-crystal circuit, similar to those used in radio communications equipment.
Note: In a computer, clock speed refers to the number of pulses per second generated by an oscillator that sets the tempo for the processor.
3. Answer - Option B
Explanation -
A primary key is a key in a relational database that is unique for each record. It is a unique identifier, such as a driver license number, telephone number or vehicle identification number (VIN).
Note:- A relational database must always have one and only one primary key.
4. Answer - Option D
Explanation -
Spreadsheets are useful at home and in business applications. Spreadsheets make it easy to view and exhibit data in a number of manners. Values are one of the primary types of data used in spreadsheets.
5. Answer - Option A
Explanation -
A data buffer is a region of a physical memory storage used to temporarily store data while it is being moved from one place to another.